Ironside meets with a snitch about a planned heist and the corrupt undercover cop who's providing information to the gang. When they're fired upon, Ironside fires back, hitting one of the gang, who is killed. But when the autopsy comes back, it's revealed that the slug went all the way through the man -- far too powerful for Ironside's .38 Police Special) and came from a different angle (Ironside was facing the man and the slug came from the side). To catch the gang and find out who the corrupt cop is, Ed Brown volunteers to go undercover, complete with fake mustache, and meets the gang leader -- who carries a gargantuan Magnum. To avenge the death of the gang member, who is also the corrupt cop's brother, Ed is given a rifle and told to assassinate Ironside through his apartment window. But Ironside has a trick up his sleeve . . .
—Peter Harris