Jim Paisley and his gang break into a gun shop stealing numerous firearms, then go on a crime spree. It's up to Lt. Guthrie and his men to find him and get back the guns before the gang can do too much damage.
A dead body is dumped from an overpass near the waterfront and lands next to a sleeping wino. He reports it to the police, and an investigation reveals that the body is that of an undercover police officer who was investigating a narcotics ring.