Believing that Baretta pocketed $500,000 in stolen bonds after stopping a robbery, a mobster takes Billy hostage until the money is turned over.

After a young pickpocket named Jonesy is killed, Baretta solicits the help of an expert to infiltrate a gang that operates at an airline terminal... not realizing that the reason for the death is related to the lifting of a passport from a hired assassin.

Baretta risks his life going undercover as a prison inmate to discover why two suspects in a jewelry heist were killed.