Lex Luthor's company makes robots called Defendroids that stop crooks and save people so effectively it causes Superman to move away from Metropolis. With his old rival gone, Luthor uses the Defendroids to rob a train transporting a billion dollars in gold to Fort Knox.
La empresa de Lex Luthor fabrica robots llamados Defendroids para proteger Metrópolis. Su verdadero plan es inutilizar a Superman. Superman descubre el plan y en un esfuerzo por sacar a Luthor a la luz, anuncia su retiro. Luthor luego planea usar los Defendroids para robar el oro que se envía a Metrópolis.
Luthor cria uma força policial robótica chamada Defendroids.