Lex Luthor builds a Kryptonite ray machine and plots to destroy Superman with it. He hypnotizes Lois, Jimmy, and Perry so that they get into danger within the range of his machine. When Superman comes to rescue them, he bring a lead shield. Safe from the Kryptonite rays, Superman destorys the machine and captures Lex Luthor.
Lex Luthor construye una máquina de rayos Kryptonite y planea destruir a Superman con ella. Hipnotiza a Lois, Jimmy y Perry para que se pongan en peligro dentro del alcance de su máquina. Cuando Superman viene a rescatarlos, trae un escudo de plomo. A salvo de los rayos de Kryptonita, Superman destruye la máquina y captura a Lex Luthor.
