A supposed treasure map leads a group of unsuspecting townspeople to the lair of a vampire-like creature known as El Chupacabras.

When the trail goes cold on a murder investigation of a policeman, an undercover narcotics officer is lured back to the force to help solve the case.

To keep their struggling used-car dealership from closing, salesmen Sid and Bob agree to let a vintage 1963 Pontiac LeMans sit on their lot for two days in return for $250,000. Warned that the vehicle has been associated with many deaths already, Sid and Bob are soon pursued by hitman Mr. Reich and FBI Agent Jared, among others. As violence surrounds them, Sid talks his partner into stealing the car for a $500,000 ransom.