A pair of twins take opposing paths: one is a cop and the other a con man. Until the night one is killed and his brother assumes his identity.

The Police Academy's commandant will be honored at a police convention in Miami Beach. At the airport he picks a wrong bag with stolen diamonds. The "owners" want them back.

When a young doctor suspects she may not be alone in her new Brooklyn loft, she learns that her landlord has formed a frightening obsession with her.