Three witnesses before the Congressional Crime Commission die in sudden agony due to the strange power of a Hypno therapy machine, located in a mountain hideaway, and operated by Lou Cranek, self styled "Kingpin of Crime," in the thrilling Superman adventure, "The Mind Machine." Clark Kent, as Superman, discovers the machine and captures the criminals.
After Longley and Kelso escape from a chain gang, Matt goes to a circus where Longley's girlfriend Mamie works while Kelso comes to get Mamie but mistakenly takes Frankie so that Longley must come himself and Matt follows to recover the loot.
