After two American prisoners are killed by guards in the act of escaping from a German POW camp in World War II, barracks black marketeer J.J. Sefton is suspected of being an informer.

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.

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.

Eight women gather to celebrate Christmas in a snowbound cottage, only to find the family patriarch dead with a knife in his back. Trapped in the house, every woman becomes a suspect, each having her own motive and secret.

A transit worker pulls commuter Peter off railway tracks after he's mugged, but—while he's in a coma—his family mistakenly thinks she's Peter's fiancée, and she doesn't correct them. Things get more complicated when she falls for his brother, who's not quite sure that she's who she claims to be.