This third installment focuses largely on serial killers, with lengthy re-enactments of police investigations of bodies being found in a dumpster, and a staged courtroom sequence with Schwartz again making a cameo appearance as the serial killer on trial for raping and murdering a girl, allegedly captured on video. Schwartz has identified the girl allegedly killed in the video as his then girlfriend, who he claims was a willing participant.
Billy Wong is a New York City cop whose partner is gunned down during a robbery. Billy and his new partner, Danny Garoni, are working security at a fashion show when a wealthy man's daughter, Laura Shapiro, is kidnapped.
A young teenager named Mikey Walsh finds an old treasure map in his father's attic. Hoping to save their homes from demolition, Mikey and his friends Data Wang, Chunk Cohen, and Mouth Devereaux run off on a big quest to find the secret stash of Pirate One-Eyed Willie.
The Griswalds win a vacation to Europe on a game show, and thus pack their bags for the continent. They do their best to catch the flavor of Europe, but they just don't know how to be be good tourists.