America's three top leisure-time activities come roaring to life in National Lampoon's Favorite Deadly Sins. This film consists of three short stories: Greed (Joe Mantegna), Anger (Andrew Clay) and Lust (Denis Leary).

Dick Steele, Agent WD-40 is assigned by his Director, to stop the evil General Rancor from destroying the world. WD-40 believed Rancor was dead and he teams up with the hot KGB Agent Veronique Ukrinsky to find Rancor and save the world.

Santa Claus is actually a demon who lost a bet with an angel, so he became the giver of toys and happiness. But this year the bet is off, and Santa is about to return to his evil ways.

It's 1934, and the evil local land baron forecloses on Angie's place, and she and her two daughters must leave and continue their life of crime. A reporter witnesses their heist of a bank, and helps them become folk legends by writing a story about them. After a time the evil land baron wants to run for governor, and Angie and her daughters kidnap his son and turn him into a gangster in order to discredit his father and his run for governor.

Santa Claus is actually a demon who lost a bet with an Angel, so he becomes the giver of toys and happiness. But when the bet is off, he returns to his evil ways.

Jonas Ambler is a rich businessman who's wife is killed by kidnappers. So he decides to get even. He hires a mercenary to find and kill the kidnappers. There's only one catch, he wants to go with them.