Unaware that he's stolen radioactive cobalt instead of heroin, escaped convict Vince (Vince Edwards) tries to evade the cops and reach Los Angeles. As the substance wreaks havoc on Vince's body, the police rush to find him before he contaminates the entire city. Featuring an impressive jazz score by composer Jerry Goldsmith, this gripping noir thriller co-stars Lyle Talbot, John Archer and Steven Ritch.