
The Equation of Love
2025-05-23 · Runtime unavailable · Not rated
At seventeen, math prodigy Shang Yihuai tutors a quick-witted girl named Liang Xia through a long summer of equations and margins full of things neither of them says out loud. Weeks before the college entrance exam he vanishes, leaving behind a notebook and a promise about Beijing that he never keeps. Eight years later, fighting to reclaim her parents' old house, Liang Xia takes the name Shen Sang and agrees to a contract marriage she wants no part of. The man she ends up married to is Shang Yiheng, cold and remote at the head of a company, and she has no idea who he really is.
Trailers are previews, not full movies.
No authorized playback source configured. Use the legal watch options below.
Production details
- Creators
- Unavailable
- Production companies
- 西溪剧场
- Countries
- China
- Status
- Returning Series
Top Cast
Zhu YiweiShang Yihuai
Bai XinyiLiang Xia
Wang HaoXiang YangTitle information and images are supplied by TMDb. Explore our discovery guide for advice on comparing metadata and legal viewing options.
Where to watch
Availability provided by JustWatch via TMDb. Offers can change. Provider links are listed on TMDb; full playback requires a separately authorized source.
Availability not listed for this country.
Seasons & episodes
Recommendations

Han Li, an ordinary, poor boy from a mountain village, joins a small martial arts sect by chance. Despite his mediocre talent, he eventually cultivates himself into an immortal through hard work and careful planning.

Life, death and drama at 20,000 feet. The series weaves together intense character journeys and high-stakes medical rescues, as we follow the triumphs, heartbreaks and tribulations of budding nurses and pilots flying air ambulances in remote Northern Canada. They’re all in over their heads, and on their own, with no one to rely on but each other.

The trials and tribulations of the very large, colorful and imperfect Braverman family.

In this legal drama, you’ll judge Jax Stewart for her questionable ethics and wild interpretations of the law… until you’re the one in trouble. Then you’ll see her for what she is: the most brilliant and fearless defense attorney in Los Angeles who bucks the justice system at every chance she gets.

Demi-Gods and Semi-Devils is a Chinese television series adapted from Louis Cha's novel of the same title. It was first aired in China on CCTV on 22 December 2003.

The journey of a book smart teen whose life is forever transformed when he moves from the streets of west Philadelphia to live with his relatives in one of LA’s wealthiest suburbs.

An exuberant drama set in Melbourne's Fitzroy, centering on Nina Proudman and her struggle to deal with her fabulously messy family, her hunt for a decent love life and her tendency to overthink and fly off into fantasy.

An ambitious street urchin seizes the chance to impersonate a noblewoman and becomes a warlord's bride, but when her comatose husband awakens, she must navigate deadly schemes, win his heart through cunning, and uncover her royal heritage to triumph over rivals and rise from gutter to glory.

Follow the lives of an elite group of young dancers who train at The Next Step Studio.

The 12-episode series follows Wang Xiang, an ex-train driver who had worked his whole life at the steel plant in a fictional small town in North China, as he attempts to solve the mystery behind a brutal murder during the autumn of 1998. For more than 20 years, the murder has haunted him and other people who worked at the steel plant as they struggled to come to terms with the loss they’ve experienced.

A multigenerational family saga centered around one woman who, having recently relocated and intent on revitalizing her marriage, finds herself going head to head with some of the most powerful and deceitful players in the city.

Upstairs: the wealthy, aristocratic Bellamys. Downstairs: their loyal and lively servants. For nearly 30 years, they share a fashionable townhouse at 165 Eaton Place in London’s posh Belgravia neighborhood, surviving social change, political upheaval, scandals, and the horrors of the First World War.

In the early 1990s in New York, during the height of the crack cocaine epidemic, a visionary musician named Bobby Diggs aka The RZA begins to form a super group of a dozen young, black men, who will eventually rise to become one of the unlikeliest success stories in American music history.

A spinoff of "The Oval," follows Ruth Truesdale as she's forced to play nice with a scandalous religious cult of powerful sex crazed fanatics in the hopes of freeing herself and her daughter.

When a young mother from a sheltered cult crosses paths with a mysterious stranger, she embarks on a risky affair that awakens desires and dark secrets.

After Neurosurgeon Maggie Sullivan’s personal and professional life are thrown into turmoil she returns home to Sullivan’s Crossing. While there, Maggie is forced to navigate her complicated present while confronting the painful past she has chosen to ignore for years.

Zhao Pan'er is a smart and savvy teahouse owner in Qiantang, living alongside her two best friends Sun Sanniang and Song Yinzhang. When she finds out her fiancé left her for another woman of a high ranking officer after becoming an official in the capital of Bianjing, she refuses to give into her fate and decides to travel to the capital in search for the truth. On her way there, she crosses paths with both of her best friends whose lives she saves, and they follow her onward. Gu Qianfan is a commander in an elite capital squadron nicknamed "Living Devil". He is setup by the very people he swears allegiance to and must find out the truth behind a nefarious scheme involving the imperial court. When he first meets Zhao Pan'er, they don't see eye to eye, however this intelligent businesswoman has caught his attention and as they help each other, they get closer to their own goals.

Yun Wei Shan, a spy longing for freedom, infiltrates the palace to complete a mission. Within the eerie and mysterious palace, she encounters love and friendship, embarks on a journey of self-discovery, and finds the determination to move forward. Together with the rebellious nobleman Gong Ziyu, they grow and mature through their shared experiences.

Lu Wuyi, the youngest nine-tailed fox of the mysterious Formless Moon Sect, sets out on a mission with her friend Wu Wangyan to track down a fox demon on the run, Xiaowei. She infiltrates the Wei Mansion in Luo'an City, where she later crosses paths with Wu Shiguang, who holds a deep grudge, as well as Ji Ling and Li Jie, demon hunters from the Shilin Sect. In the process of uncovering the truth, they navigate between suspicion and cooperation, each driven by their own agendas. In their repeated struggles over the Dragon Deity's Power, their fates are changed time and again. To preserve peace in the world, they make painful sacrifices and ultimately subdue Jiu Ying, the lord of all demons, thus fulfilling an enduring quest of love and redemption.

Once a powerful lawyer, Billy McBride is now burned out and washed up, spending more time in a bar than a courtroom. When he reluctantly agrees to pursue a wrongful death lawsuit against the biggest client of Cooperman & McBride, the massive law firm he helped create, Billy and his ragtag team uncover a vast and deadly conspiracy, pitting them all in a life or death trial against the ultimate Goliath.
Similar titles

Su Miaomiao transmigrated into a novel as a doomed side character. To escape her tragic fate caused by her treacherous husband, she approached the noble Crown Prince Xiao Jin. Beyond reversing her destiny and punishing the villain, Su Miaomiao unexpectedly won his love and became a favored Empress.

Jae Ho, the heir of Star Group, proposes a three-month contract relationship to Yun Ho, a failed celebrity trainee, leading to unexpected developments between them.

World-class racer Ji Hanzhi becomes paralyzed after a devastating crash, forcing him into isolation. When fiery caregiver Xia Chuyue enters his life, she pushes him to heal physically and emotionally. Together, they confront family betrayals, uncover secrets behind his accident, and discover love as Ji Hanzhi learns to race toward a second chance at life.

Rivals Fang Li and An Hang accidentally get trapped in a virtual world, becoming a married couple. With opposing system missions, they must defeat each other to return to reality. As they battle it out, they start to fall for each other. Can they rewrite the system's rules and find a way out?


Traditional pastry artist Lyu Xiaomu and returning patisserie chef Ren Yaqi reunite through comedic matchmaking mishaps. Together, they create the "MacarMo," blending Chinese and Western desserts, and discover love and purpose while bridging tradition and modernity.

Chanon, a medical intern driven by a three‑year vendetta, infiltrates the world of Leo Thanakorn, heir to a powerful mafia family, drawing him in with a meticulously planned seduction. The closer he gets, the more dangerous things become. He pushes the game to its limits, even taking a knife meant for Leo and gaining Leo’s possessive protection. He uses Leo’s trust to hunt down every enemy, counting down to the final target and to all illusions shattering.

Seo Jin U, who died in an accident after being sidelined at work, suddenly wakes up in the past?! He's returned to the time before his idea was stolen and decides to quit… But when Executive Director Baek Ui Hyeon says just one thing, he ends up becoming the project lead instead!

Ji Su's ex-boyfriend, Hui Jun, and child actor, Ju Yeon, are double-cast as Romeo, entangling Juliet Ji Su in a love triangle.

Determined university student Lu Ran escapes an arranged marriage to an abusive man, only to unexpectedly meet a kind, tall, and handsome stranger—who turns out to be her intended fiancé.


A determined Qing dynasty princess contends with palace intrigue and a vendetta against her family while navigating the treacherous terrain of romance.

Tadd is a beautiful and humble girl. After finishing her studies, she receives a marriage proposal from her mother's family rich friend. But soon it becomes clear that the behavior of her future husband is of great concern. The creeping doubt was quickly dispelled and the wedding took place. Only after the wedding, she realizes that nothing changed for her husband, and she is doomed to loneliness, neglect, and scandals. Will Tadd find the strength to break this burdensome relationship or will she accept this fate?

Forced into an arranged marriage with the delicate young lord Su Qingmo, General Mu Lingxi, a female warrior, embarks on a journey from obligation to true love. Despite being initially unfamiliar with each other, they become a harmonious and loving couple. Together, they navigate the challenges of their relationship and join forces to uphold justice.

Can two childhood friends be forced to marry each other if they can’t find other suitable mates? Pei Zhengxi and Mo Chengzhen have been friends all their lives and their mothers are also friends. Their mothers have always held out hope that the two would marry, but Zhengxi and Chengzhen feel nothing other than friendship for each other. Zero chemistry. But their mothers have decided that if they cannot find suitable marriage partners by their 32nd birthdays, Zhengxi and Chengzhen will have to marry each other. With only 24 hours to go, whom will Zhengxi and Chengzhen marry?

Wrongfully accused, Mei Ping is reborn as Xiao Mei, a servant, but fights her way back to the powerful Dongfang family for justice. With Lan Weixing’s help, she exposes corruption, challenges oppression, and empowers women to break free and reclaim their futures.

Victoria Jones entered the palace and engaged in power struggles with her elder sister Luna Jones and others. She allied with Beauty Rose to confront frame-ups. The iron map of the Southern Realm sparked assassinations and a coup. His Majesty Andrew Rook faked his own death to turn the tide and killed the vicious Prime Minister. Past grievances and mysteries of birth were finally revealed, and everyone met their respective fates.

Blinded by rage and consumed by the need to avenge his brother, Pakin kidnaps a luxury hotel heir, holding him captive in the unforgiving wilderness. But fate plays a cruel trick: his hostage might not be the culprit he believes he is. Beneath identical faces lies a stark difference one is a fire ready to burn, the other is water ready to heal. Can he tell them apart? And in the heart of the wild, how will forced proximity turn a sworn enemy into a lover?

A princess and a prince who can't see eye to eye find themselves stuck in an arranged marriage. Yet they start opening up to each other because of hypnosis. Li Ming Yue, a princess, and Li Qian, a prince, are forced to marry each other due to royal obligations. When she triggers memories from his past through the use of hypnosis, Li Qian starts to accept his wife knowing that she can help him regain his memories.

Pete’s worst mistake becomes even messier when he realizes the man he accidentally slept with is his new stepbrother—and now also his strict internship supervisor.