Cotton is called in to investigate a crime on Broadway because an FBI agent has died while working undercover. Before his demise he concealed the booty from a recent huge robbery in an unknown location. All of the culprits are arrested by the FBI but the main villain, Costello, is soon broken free by a hitherto rivaling gang. His new accomplices presume he knows the location of the booty and he tries to live up to their expectations. The demised agent's girlfriend, Cindy, realizes she needs protection. Jerry Cotton obliges and stops at nothing to catch Costello.