Baretta has to go on the run to clear his name after he's framed for the murder of a gun dealer he was investigating, who was selling weapons to teenagers.

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.