Detective Sergeant Ed Brown happens to be nearby when he hears an officer needs assistance call. The arrest is of Frank Vincent, a thoroughly unpleasant drunk who starts fights and hates cops. He swears he'll “get even”. The next day someone guns down Briggs, one of the officers who arrested Vincent. Did Vincent commit this murder? Ironside isn't sure. Then Officer Connell's car explodes; Connell was the other man who arrested Vincent. Now Ironside is sure – but the only way to prove it might be to put Ed Brown out where Vincent can take the expected shot at him...