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

London bookstore owner William Thacker's quiet life turns upside down when a chance encounter with famous actress Anna Scott sparks an unlikely romance challenged by their vastly different worlds.

Lorelei Lee is a beautiful showgirl engaged to be married to the wealthy Gus Esmond, much to the disapproval of Gus' rich father, Esmond Sr., who thinks that Lorelei is just after his money. When Lorelei goes on a cruise accompanied only by her best friend, Dorothy Shaw, Esmond Sr. hires Ernie Malone, a private detective, to follow her and report any questionable behavior that would disqualify her from the marriage.

King Arthur, accompanied by his squire, recruits his Knights of the Round Table, including Sir Bedevere the Wise, Sir Lancelot the Brave, Sir Robin the Not-Quite-So-Brave-As-Sir-Lancelot and Sir Galahad the Pure. On the way, Arthur battles the Black Knight who, despite having had all his limbs chopped off, insists he can still fight. They reach Camelot, but Arthur decides not to enter, as "it is a silly place".

After a police chase with an otherworldly being, a New York City cop is recruited as an agent in a top-secret organization established to monitor and police alien activity on Earth: the Men in Black. Agent K and new recruit Agent J find themselves in the middle of a deadly plot by an intergalactic terrorist who has arrived on Earth to assassinate two ambassadors from opposing galaxies.

Sex always gets in the way of friendships between men and women. At least, that's what Harry Burns believes. So when Harry meets Sally Albright and a deep friendship blossoms between them, Harry's determined not to let his attraction to Sally destroy it. But when a night of weakness ends in a morning of panic, can the pair avoid succumbing to Harry's fears by remaining friends and admitting they just might be the perfect match for each other?

After the indomitable and beloved founder of a scrappy theater camp in upstate New York falls into a coma, the eccentric staff must band together with her clueless "crypto-bro" son to keep the thespian paradise afloat.

At a tiny Parisian café, the adorable yet painfully shy Amélie accidentally discovers a gift for helping others. Soon Amelie is spending her days as a matchmaker, guardian angel, and all-around do-gooder. But when she bumps into a handsome stranger, will she find the courage to become the star of her very own love story?

Fast-talking, quick-thinking Detroit street cop Axel Foley has bent more than a few rules and regs in his time, but when his best friend is murdered, he heads to sunny Beverly Hills to work the case like only he can.

Aspiring comic Rupert Pupkin attempts to achieve success in show business by stalking his idol, a late night talk-show host who craves his own privacy.

The American comedian/actor delivers a story about the alternative Hip Hop scene. A small town Ohio mans moves to Brooklyn, New York, to throw an unprecedented block party.

In turn of the century London, a magical nanny employs music and adventure to help two neglected children become closer to their father.