In their attempt to bring down a family of con artists who victimize entire neighborhoods, Stone and Keller are aided by dissension among the gang members.

Women keep turning up in hotel rooms strangled; the only lead is a witness who thinks he saw an air force Colonel's uniform. Keller goes undercover as an air force officer to infiltrate the base.

A vigilante is methodically and savagely wiping out criminals who have managed to slip through the fingers of the legal system.