Eight very different couples deal with their love lives in various loosely interrelated tales all set during a frantic month before Christmas in London.

Tobi and Achim, the pride of the local crew club, have been the best of friends for years and are convinced that nothing will ever stand in the way of their friendship. They look forward to the upcoming summer camp and the crew competition. Then the gay team from Berlin arrives and Tobi is totally confused. The evening before the races begin, the storm that breaks out is more than meteorological.

Renowned oceanographer Steve Zissou has sworn vengeance upon the rare shark that devoured a member of his crew. In addition to his regular team, he is joined on his boat by Ned, a man who believes Zissou to be his father, and Jane, a journalist pregnant by a married man. They travel the sea, all too often running into pirates and, perhaps more traumatically, various figures from Zissou's past, including his estranged wife, Eleanor.

Eight-year-old Kevin McCallister makes the most of the situation after his family unwittingly leaves him behind when they go on Christmas vacation. When thieves try to break into his home, he puts up a fight like no other.

Australian good girl Sandy and greaser Danny fell in love over the summer. But when they unexpectedly discover they're now in the same high school, will they be able to rekindle their romance despite their eccentric friends?

Instead of flying to Florida with his folks, Kevin ends up alone in New York, where he gets a hotel room with his dad's credit card—despite problems from a clerk and meddling bellboy. But when Kevin runs into his old nemeses, the Wet Bandits, he's determined to foil their plans to rob a toy store on Christmas Eve.

Nicky, an accomplished con artist, gets romantically involved with his disciple Jess but later ends their relationship. Years later, she returns as a femme fatale to spoil his plans.

Maggie and Julianne are ex-girlfriends who unexpectedly rekindle the spark during a hometown visit for the holidays. Are they meant to be? They'll have to navigate their feelings, the gossiping town, and ghosts of exes past to find out.

Treasure hunter Ben "Finn" Finnegan has sunk his marriage to Tess and his trusty boat in his obsessive quest to find the legendary Queen's Dowry. When he finds a vital clue that may finally pinpoint the treasure's whereabouts, he drags Tess and her boss, billionaire Nigel Honeycutt, along on the hunt. But Finn is not the only one interested in the gold; his former mentor-turned-enemy Moe Fitch, hired by rapper-turned-gangster Bigg Bunny, will stop at nothing to beat him to it.

When a workaholic CEO tries to skip Christmas by flying to Australia, she’s in for the flight of her life. Haunted by her past, present, and future, she’s forced to confront the choices that led to her success yet left her flying solo. With the help of three quirky spirits and a surprise reunion with her ex, she might just rediscover the magic of Christmas—and the love she thought she’d lost.

Percy and Harold are rivals and both take the object of their affections for an outing.

A very middle-class Bavarian family spend the last day of their Mediterranean vacation on the beach, day-dreaming and muttering racist remarks about Italian people.