Mafia hitman Tommy Spinelli is flying to San Diego with a bag that holds eight severed heads, which he's bringing to his superiors to prove that some troublesome rival mobsters are permanently out of the picture. When his bag gets accidentally switched at the airport, Tommy must track down his duffel bag and the 8 heads it contains.

Two prison guards team up with a convict and a drug smuggler to recapture bank robbers.