Wealthy businessman Ross Webster discovers the hidden talents of Gus Gorman, a mischievous computer genius. Ross decides to abuse his talents, in a way to help Webster with his plans for economic control. When the man of steel interferes, something must be done about Supes. When Gus' synthetic Kryptonite fails to kill Superman, it turns him in an evil incarnation of his former self. The tar-laced Kryptonite pits man against himself, setting up the Clark vs. Superman battle.

Superman agrees to sacrifice his powers to marry Lois, unaware that three Kryptonian criminals he inadvertently released are conquering Earth.

Unable to convince the ruling council of Krypton that their world will destroy itself soon, scientist Jor-El takes drastic measures to preserve the Kryptonian race: He sends his infant son Kal-El to Earth. There, gaining great powers under Earth's yellow sun, he will become a champion of truth and justice. Raised by the Kents, an elderly farm couple, Clark Kent learns that his abilities must be used for good. The adult Clark travels to Metropolis, where he becomes a mild-mannered reporter for the Daily Planet...and a caped wonder whose amazing feats stun the city: Superman! Meanwhile, Lex Luthor, the world's greatest criminal mind, is plotting the greatest real estate swindle of all time. Can't even the Man of Steel stop this nefarious scheme?