Two best friends become rivals when their respective weddings are accidentally booked for the same day.

The lives of several couples and singles in New York intertwine over the course of New Year's Eve.

Liz Gilbert had everything a modern woman is supposed to dream of having – a husband, a house and a successful career – yet like so many others, she found herself lost, confused and searching for what she really wanted in life. Newly divorced and at a crossroads, Gilbert steps out of her comfort zone, risking everything to change her life, embarking on a journey around the world that becomes a quest for self-discovery. In her travels, she discovers the true pleasure of nourishment by eating in Italy, the power of prayer in India and, finally and unexpectedly, the inner peace and balance of true love in Bali.

Sixteen-year-old Poppy has everything her unlimited credit cards can buy, and a spoiled attitude to match. After a final thoughtless prank, her exasperated father ships her off to boarding school in England. There, Poppy meets her match in a stern headmistress and a class full of girls who will not tolerate her selfishness.

Two romantically involved corporate spies team up to manipulate a race to corner the market on a medical innovation that will reap huge profits and allow them to lead an extravagant lifestyle together.

Disillusioned with romance, Beth, an ambitious New Yorker, travels to Rome for her sister's wedding, where she plucks magic coins from a special fountain of love. The coins attract unwanted attention from an assortment of odd yet ardent suitors: a sausage merchant, a street magician, an artist, and a male model. But when the best man from the wedding, persistent reporter Nick, throws his hat in the ring, Beth wonders if his love is the real thing.

Have you ever sat by the phone wondering why he said he would call, but didn't, or you can't figure out why she doesn't want to sleep with you anymore, or why your relationship just isn't going to the next level... they're just not that into you. Gigi just wants a man who says he'll call—and does—while Alex advises her to stop waiting by the phone. Beth wants a proposal after years of a committed relationship with her boyfriend, Neil, who sees nothing wrong with the status quo. Janine's not sure if she can trust her husband, Ben, who can't quite trust himself around Anna. Anna can't decide between the sexy married guy, or her straightforward, no-sparks standby, Conor, who can't get over the fact that he can't have her. And Mary, who's found an entire network of loving, supportive men, just needs to find one who's straight.

Danny Foster doesn't have much: an apartment as small as his paychecks, no family, and a struggling music career. Yet for him, "every day is a great day to be alive," an attitude he gained from his mother's unwavering optimism during her losing battle with cancer. It's love at first sight when Danny meets Ariana, a wealthy girl from Greenwich, CT who tragically cannot hear the music she inspires him to write. Ariana, hearing impaired since childhood, is torn between hanging onto the shelter her controlling mother provides and fighting for a love that, if given the chance, might just change her life

After one short blind date, Mary Horowitz, a brilliant and eccentric crossword constructor, is convinced that Steve, a CCN cameraman, is her soul mate. Because his job takes him hither and yon, she crisscrosses the country following Steve, with the encouragement of a reporter, turning up at media events he's at to convince him they are perfect for each other. Along the way, she befriends an assortment of misfits who accept her for who she is, leading her to reassess her reasons for this strange journey.

During a wild vacation in Las Vegas, career woman Joy McNally and playboy Jack Fuller come to the sober realization that they have married each other after a night of drunken abandon. They are then compelled, for legal reasons, to live life as a couple for a limited period of time. At stake is a large amount of money.

A young woman who has been in and out from rehab for the past 10 years returns home for the weekend for her sister's wedding.

Set in 1944, Valiant is a woodland pigeon who wants to become a great hero someday. When he hears they are hiring recruits for the Royal Homing Pigeon Service, he immediately sets out for London. On the way, he meets a smelly but friendly pigeon named Bugsy, who joins him, mainly to get away from clients he cheated in a game of find-the pebble, and helps him sign up for the war.

A gigolo must contend with the prospect that he has found true love.

Two teenage girls discover that mermaids really do exist after a violent storm washes one ashore. The mermaid, a sassy creature named Aquamarine, is determined to prove to her father that real love exists, and enlists the girls' help in winning the heart of a handsome lifeguard.

George, a lonely and fatalistic teen who's made it all the way to his senior year without ever having done a real day of work, is befriended by Sally, a popular but complicated girl who recognizes in him a kindred spirit.

For many years, Nathan Harper has had the uneasy feeling that life with his family isn't quite what it seems. As he draws closer to uncovering the truth, he is hunted by assassins, forcing him to flee with his neighbor, Karen, the only person he can trust.

Maggie is an alluring free spirit who won't let anyone – or anything – tie her down. But she meets her match in Jamie, whose relentless and nearly infallible charm serves him well with the ladies and the cutthroat world of pharmaceutical sales. Maggie and Jamie's evolving relationship takes them both by surprise, as they find themselves under the influence of the ultimate drug: love.

Altruistic Jane finds herself facing her worst nightmare as her younger sister announces her engagement to the man Jane secretly adores.

Tom and Hannah have been platonic friends for 10 years. He's a serial dater, while she wants marriage but hasn't found Mr. Right. Just as Tom is starting to think that he is relationship material after all, Hannah gets engaged. When she asks Tom to be her 'maid' of honor, he reluctantly agrees just so he can attempt to stop the wedding and woo her.

When an elite assassin marries a beautiful computer whiz after a whirlwind romance, he gives up the gun and settles down with his new bride. That is, until he learns that someone from his past has put a contract out on his life.