The Case of the Blind Man's Bluff

S4, E19: Crooked jewelry store owner Karl Addison learns that he needs an operation which will temporarily blind him. Addison makes plans to rob his own store knowing that his sightlessness will provide him with a perfect alibi. Things go wrong when someone kills the scheming Addison and steals the already pinched jewels. James Kincannon enlists Perry's aid when he's charged with the crime.