A crime boss in a hospital is murdered. A young woman sees the killers, but her roommate convinces her not to tell the police for fear that the gangsters will come looking for revenge. Regrettably, the murderers realize that they have been seen, and massacre both of the women. Soon the police discover the identities the killers, but catching them becomes complicated since anyone who knows anything tends to die in unexplained circumstances. It becomes evident that a large and powerful criminal organization is behind the murders, and that they have links within the police force. It is up to Lt. De Carmine to see that justice prevails using any means necessary.