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.

When struggling, out of work actor Michael Dorsey secretly adopts a female alter ego—Dorothy Michaels—in order to land a part in a daytime drama, he unwittingly becomes a feminist icon and ends up in a romantic pickle.

New York sportswriter Mack has spent years devising successful hook-up "plays" with her friends, but when she unexpectedly falls for one of her targets, she must learn what it takes to go from simply scoring to playing for keeps.

Lu, a conformist woman in her forties, learns that her 15-year partner has been having extramarital affairs. Starting from scratch, she gets involved in an unexpected relationship with a young womanizer.

Two sailors on shore leave head out for four days of partying – only to become involved in the affairs of an aspiring singer and her precocious nephew.

Joey Boca is the owner of a pizza parlour, and has been married to Rosalie for years. When Rosalie discovers that Joey is a womanizer and has been cheating on her for a long time, she goes to extreme lengths to punish him.

A guy has his life planned out until he is wooed, groomed and then dumped by an elusive woman.

Beneath Bruce Garrett's under-confident, overweight exterior, the passionate heart of a salsa king lies dormant. Now, one woman is about to reignite his Latin fire.

An aspiring music journalist lands her dream job and is about to move to San Francisco when her boyfriend of nine years decides to call it quits. To nurse her broken heart, she and her two best friends spend one outrageous last adventure in New York City.

Jane Goodale has everything going for her. She's a producer on a popular daytime talk show, and is in a hot romance with the show's dashing executive producer Ray. But when the relationship goes terribly awry, Jane begins an extensive study of the male animal, including her womanizing roommate Eddie. Jane puts her studies and romantic misadventure to use as a pseudonymous sex columnist -- and becomes a sensation.

After divorcing his ambitious singer wife, a middle-aged man begins a new relationship with a teacher.

Veronica is a white-bread beauty searching for a good man in Los Angeles. While slam dancing at a Halloween rave, she meets Abel, a sensitive poet. Then she meets Zed, a supersexy tattooed drummer with incredible biceps. Who will she choose? Does she go for true love or cheap sex? She can't decide so she chooses both. But after managing to nurture a picture-perfect threesome, along comes Ernest, a rich movie director with deep baby blues that sweep Veronica off her feet. What's a girl to do now?

The story of Nola Darling's simultaneous sexual relationships with three different men is told by her and by her partners and other friends. All three men wanted her to commit solely to them; Nola resists being "owned" by a single partner.

An on-the-lam punk rocker and a young woman obsessed with a local band go on an unexpected and epic journey together through the decaying suburbs of the American Midwest.

Paolo, an Italian tour bus driver living in Paris, has just summoned up the courage to propose marriage to his German girlfriend Greta. However, a chance encounter with a French woman on a bicycle the very next day turns Paolo's life upside down.

Paul Morse is a good guy. When his friends throw him a wild bachelor party, he just wants to keep his conscience clean -- which is why he's shocked when he wakes up in bed with a beautiful girl named Becky and can't remember the night before. Desperate to keep his fiancée, Karen, from finding out what may or may not be the truth, he tells her a teensy lie. Soon his lies are spiraling out of control and his life is a series of comical misunderstandings.

Alice, the only relatively normal member of the eccentric Sycamore family, falls in love with Tony Kirby, but his wealthy banker father and snobbish mother strongly disapprove of the match. When the Kirbys are invited to dinner to become better acquainted with their future in-laws, things don't turn out the way Alice had hoped.

A writer for a greeting card company learns the true meaning of loneliness when he comes home to find his girlfriend in bed with another man.

In 1962 New York City, love blossoms between a playboy journalist and a feminist advice author.

A panicked young woman and her two best friends fly to Mexico to delete a ranting email she sent to her new boyfriend. On arrival, they run into her former beau, who soon gets caught up in their frantic scheme.