Baretta must use his wits to survive after he and a runaway girl he apprehended unwittingly get into a police car being driven by a couple of holdup men disguised as cops.

When a conventioneer is murdered, Baretta finds that the only witness is a busboy who doesn't want to get involved, but the real murderer is after the man too.

To find an arsonist, Baretta seeks the help of a former investigator who retired after suffering both physical and psychological damage in a fire.