Lois suspects that Clark Kent is Superman. A vicious criminal uses innocent people, trapped by hypnotic power, who are armed with a bomb apparatus that makes it possible for them to rob without opposition from the police. Superman must solve a series of bold crimes that were pulled by ungainly men who look anything but formidable. Lex Luthor survives his execution in the electric chair, which only makes him more powerful.

After a run-in with four notorious underworld gang leaders (one of whom is killed in the process), Lois decides to write a series of articles exposing them. When Lois is arrested for wearing a stolen mink coat from Lacey’s Department Store, Clark Kent learns that a former Lacey’s employee sold it to her.

A clever gangster kills the wife of a prosecuting attorney, leaving evidence behind that her husband actually did it.

When Lois and Clark take slum kids out into the country for a day, editor White decides to have the Planet sponsor a fund-raising campaign to build a resort for the underprivileged children out in the country.

“THE SLOT MACHINE RACKET.” Lois and Clark are very concerned when they see business owners trying to induce children into their stores to play slot machines, placed there by the goons of “Slug” Kelly.

When Superman arrives at Camp Towne to make an appearance, he volunteers to participate in the war games that will take place.

Clark Kent, concerned that the people of Metropolis seem oblivious to the Nazi threat to the world, approaches editor Perry White about writing a series of stories that will wake the citizens up to the realization that they are in danger. When an astronomer discovers the existence of a strange meteorite, Superman correctly guesses that it has something to do with the terrible heat wave engulfing Metropolis.