While investigating a labor racket on the San Francisco docks, Ironside fires on a dockworker, 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 clear his own name, Ironside sends Ed Brown undercover with a fake mustache, where Ed meets the brother of the dead man and the racket leader -- who carries a gargantuan Magnum. To avenge the death of the dockworker, ...
A Scotland Yard police inspector (who is an old chess-playing buddy to Ironside) comes to San Francisco - ostensibly to investigate a link between Americans there and a series of bank robberies in London. Actually, he is the leader of the robbery gang, and he also has a serious heart condition.
In the last episode to be telecast (apparently the show's cancellation came as a surprise to the producers if the three additional episodes listed here are correct), Fran is going to night-school art classes. Returning to the classroom to pick something up, she sees a clay model of a woman's face horribly mangled by a set of fingernails. Fran leaves again and is immediately set upon by someone who beats her comatose and leaves her for dead. Fran recovers enough to tell about what she saw, and Ironside's crew tries to figure out the motive. The clay sculpture was ...