A slacker and a career-driven woman accidentally conceive a child after a one-night stand. As they try to make the relationship work, they must navigate the challenges of parenthood and their differences in lifestyle and maturity.
Cooper is an actor who sees life as one big party, while Ed is in advertising and takes life too seriously. When Ed gets stressed over a deadline he has to meet, his brother Cooper works hard in trying to get his brother hooked up with a girl, thus a long weekend of stress and beautiful women, culminating in Ed meeting, and making love to, the woman of his dreams.
Maria is a student at the university of Essen, Germany, living and working in a gray, unpleasant, and anonymous environment. While she has little problem finding someone for a one night stand, she rebuffs her lovers in such a rude way that they actually don't know what's going on. But what seems to be a negative attitude at first glance is in fact much worse: Maria is suffering from borderline syndrome, a serious psychotic disease that makes her fail to develop a continuous, reliable personality, from her own perspective as well as from the perspective of those she meets. Then one day, she bumps into Jan, a student who falls in love with her without delay. He's awaiting a hard time when he has to learn how hard it is to stay loyal and faithful to a person who, in her own words, "has a different world inside of her head" and who feels that "there is something inside of me that eats me up."
A player in a famous orchestra finds sexual experiences with a Russian opera singer, which he enjoys much because his wife has just left due to the fact that he has purchased a porno movie. The orchestra player gets known to his neighbour, a gay man having also relationship troubles, and together they are trying hard to find a way how to go on with their lifes.
Gabriel is a young, aspiring musical composer whose life seems stuck in the First Act. When his new musical number gets a critical reception, a theatre colleague, Perry, tells Gabriel that he needs to get a life before he can write about one – so he heads straight for his local gay bar.
Tom and Dan's one-night stand turns into an intense power-play between captor and captive.
Venereal disease forces a confirmed bachelor to take stock of his history of one night stands.
After a one-night stand with another man, a married farmer attempts to hide the affair from his family as the truth drives him to breaking point.
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.
When a young accountant is devastated after discovering his inspiringly beautiful girlfriend is cheating on him, his best friend, who's engaged to a girl he doesn't love, convinces him to go on a "run" and sleep with as many women as he can to get over his heart break.
Cursed since childhood, dentist Charlie Logan cannot find the right woman. Even worse, he learns that each of his ex-girlfriends finds true love with the man she meets after her relationship with him ends. Hearing of Charlie's reputation as a good-luck charm, women from all over line up for a quick tryst. But when Charlie meets the woman of his dreams, he must find a way to break the curse or risk losing her to the next man she meets.
New York City is full of lonely hearts seeking the right match, and what Alice, Robin, Lucy, Meg, Tom and David all have in common is the need to learn how to be single in a world filled with ever-evolving definitions of love.
Rainbow press reporter Ludo is sentenced to 8 months, but is released on probation. But he has to work 300 hours for a local daycare center and meets Anna who has unfinished business with him.
An alcoholic becomes involved in a fellow A.A. member's plan to kidnap her young son from the boy's wealthy grandfather.
Tongue-in-cheek look at 20-something singles clubbing and partying in L.A. Voice-over narration, charts and graphs, and visits to a research laboratory punctuate the story of a single night when groups of friends go out, drink alcohol, take drugs, dance and talk, and look for someone to go home with.
In Los Angeles, Max Carlyle makes a good living directing commercials and has a happy home life with his wife, Mimi, and two children. When Carlyle travels to New York City to visit his friend Charlie, who has been diagnosed with AIDS, he has repeat run-ins with a beautiful woman, Karen, and eventually sleeps with her. Though he goes home the next day and doesn't return until a year later, Carlyle's infidelity still lingers.
Lovestruck Dustin is dating Alexis, his ideal girlfriend, but when she dumps him for coming on too strong, Dustin takes drastic measures to win her back. He asks his best friend Tank to take her on the worst rebound date imaginable - his side job - so that she will come running back to him, and Tank reluctantly agrees. However, Alexis is more than a match for Tank's shock tactics and he begins to really fall for her, leaving him torn between loyalty to Dustin and his growing attraction toward Alexis.
College buddies chip in and promise that the group's last unmarried man will collect a cash pot. Seven years later, the kitty is worth $500,000 -- money Michael needs to pay a gambling debt. Problem is, the only other single guy is a hopeless womanizer!
When Paula leaves her mate Pedro, he misses her and looks for comfort with his best friends, Javier and Sonia. Paula is having an affair with Javier. Pedro tries to find who is the secret lover of Paula, and hires a private eye. Meanwhile, while comforting Pedro, Sonia has a one night stand with him and Javier thinks she is cheating on him with her lesbian friend Luzia.
It all begins at a party in Santiago, Chile, when a seemingly innocent gesture -- the offer of a ride home -- ends in a passionate night of lovemaking and intense conversation for young singles Bruno and Daniela. Shacked up at a flea-bitten motel for a one-night stand, the pair lingers deep into the night, alternating between powerful physical encounters and an ever-deepening emotional connection.