Hooker holds himself personally to blame when a female rookie cop that he trained is seriously wounded in a confrontation with a pair of fleeing gun-shop robbers. With the officer needing her leg amputated as a result of the wound, Hooker and Romano, with help from Stacy and Corrigan, investigate the gun thieves, who are selling their hauls to a back-street crime baron...

During a stake-out, Hooker is forced to shoot a hired hit-man, unable to learn who he was hired to kill. Soon after, an armed robbery at an airport cargo depot leaves security guard Bill Kennedy, an ex-Officer, fatally shot. Stacy had previously met the kindly Bill through his blind son Steve, leaving herself, Hooker and Corrigan determined to find whoever pulled the trigger. But their investigations suggest that the hit-man and Bill's killing were linked, and that the whole thing seems to be connected to the Mob – and Steve is next on the hit list...