When actress Sarah Marshall dumps aspiring musician Peter Bretter for rock star Aldous Snow, Peter's world comes crashing down. His best friend Brian suggests that Peter should get away from everything and to fly off to Hawaii to escape all his problems. After arriving in Hawaii and meeting the beautiful receptionist Rachel Jansen, Peter is shocked to see not only Aldous in Hawaii, but also Sarah.
Pushed to the breaking-up point after their latest 'why can't you do this one little thing for me?' argument, Brooke calls it quits with her boyfriend Gary. What follows is a hilarious series of remedies, war tactics, overtures and undermining tricks – all encouraged by the former couple's friends and confidantes …and the occasional total stranger! When neither ex is willing to move out of their shared apartment, the only solution is to continue living as hostile roommates until one of them reaches breaking point.
Bridget Jones is still dating her new love, barrister Mark Darcy, for a perfect six weeks. However, while on assignment in Thailand with her disreputable ex, Daniel Cleaver, claiming to be reformed, Bridget questions if she has everything she's ever dreamed of having.
When Berke Landers, a popular high school basketball star, gets dumped by his life-long girlfriend, Allison, he soon begins to lose it. But with the help of his best friend Felix's sister Kelly, he follows his ex into the school's spring musical. Thus ensues a love triangle loosely based upon Shakespeare's "A Midsummer Night's Dream", where Berke is only to find himself getting over Allison and beginning to fall for Kelly.
After a painful breakup, Ben develops insomnia. To kill time, he starts working the late night shift at the local supermarket, where his artistic imagination runs wild.
J.C. Wiatt is a talented and ambitious New York City career woman who is married to her job and working towards partner at her firm. She has a live-in relationship with Steven, a successful investment broker who, along with J.C., agreed children aren't part of the plan. J.C.'s life takes an unexpected turn when a distant relative dies and the will appoints her the caretaker of their baby girl, Elizabeth. The baby's sudden arrival causes Steven to leave, breaking off their relationship. Juggling power lunches and powdered formula, she is soon forced off the fast track by a conniving colleague and a bigoted boss. But she won't stay down for long. She'll prove to the world that a woman can have it all and on her own terms too!
Amy Tyler has planned the perfect surprise vacation for her boyfriend Josh Merit. But the real surprise is on her when he breaks things off on their anniversary. Stuck with reservations in her ex-boyfriend's name, Amy's two best friends suggest if Amy can't change the tickets ... why not change the guy?
Two college freshmen who decided to stick with their high school sweethearts have to pull a 'Turkey Dump' and break up with them over 'Drunksgiving' the one chaotic night before Thanksgiving in their hometown that puts their codependent friendship to the test.
When his girlfriend Giorgia leaves him for his boss, journalist Giulio suddenly finds himself without a woman and with no job. Determined to win back his ex, he attends Valeria's classes, who teaches single men the art of seduction, convinced that relationships between people are motivated by simple biological stimuli.
High school hotshot Zach Siler is the envy of his peers. But his popularity declines sharply when his cheerleader girlfriend, Taylor, leaves him for sleazy reality-television star Brock Hudson. Desperate to revive his fading reputation, Siler agrees to a seemingly impossible challenge. He has six weeks to gain the trust of nerdy outcast Laney Boggs -- and help her to become the school's next prom queen.
Pablo is in a crisis. In a morning when he hits rock bottom, his phone rings mysteriously. It's Ana, the girl who broke his heart more than fifteen years ago. Over the course of a day, Pablo will be able to resolve pending affairs and finish writing a chapter of his life... or maybe not...
Good-natured astronomer Sam is devastated when the love of his life leaves him for a suave Frenchman. He therefore does what every other normal dumpee would do — go to New York and set up home in the abandoned building opposite his ex-girlfriend's apartment, wait until she decides to leave her current lover, and then win her back.
Ben is a young editor for a famous german music magazine in the mid 90's. His life is falling apart after his girlfriend breaks up with him. From now on he decides to go solo...
Phil's girlfriend returns from the future where a lot has changed.
The klutzy yet stunning Rebecca Sommers walks in on her hunky boyfriend in bed with another woman. They break up and Rebecca starts to fall apart, but, with the help of her close girlfriends, she begins to date again. Unfortunately, the men she meets all happen to be crazy. John, her dorky guy friend, tries to express his secret love for Rebecca, but she's too busy to notice as she tries to come to terms with her breakup.
A strait-laced French student moves into an apartment in Barcelona with a cast of six other characters from all over Europe. Together, they speak the international language of love and friendship.
Dean has been stumped for some time in his attempt to produce a follow-up to "I was a Teenage Speed Freak," his incredibly successful graphic novel. His fans expect great things from him and his editor, Louise, is hounding him. Instead of working, however, Dean spends his time searching for his Argentine lover Pablo, who went out one night for cigarettes and never came back.
After her fiancee admits to infidelity while on a business trip in France, a woman attempts to get her lover back and marry him by traveling to Paris despite her crippling fear of flying. On the way she unwittingly smuggles something of value that has a charming crook chasing her across France as she chases after her future husband.
Six Californians start a club to discuss the works of Jane Austen. As they delve into Austen's literature, the club members find themselves dealing with life experiences that parallel the themes of the books they are reading.
Nerdy high schooler Ronald Miller rescues cheerleader Cindy Mancini from parental punishment after she accidentally destroys her mother's designer clothes. Ronald agrees to pay for the $1,000 outfit on one condition: that she will act as though they're a couple for an entire month. As the days pass, however, Cindy grows fond of Ronald, making him popular. But when Ronald's former best friend gets left behind, he realizes that social success isn't everything.