From the creator of Giant Robo comes this remake of a classic postwar manga. Professor Kaneda, who thinks that he has lost his son during the heavy bombing of Tokyo during WWII, builds a robot, Tetsujin, to replace him. The robot is an ultimate fighting machine, and to keep it out of the wrong hands, Kaneda hides the robot on an island. Years later, the professor's protégé, Shikishima, makes 28 attempts to reanimate the robot before he is finally successful. Tetsujin goes on to join forces with Kaneda's son Shotaru, a young detective, to fight the good fight against the forces of evil.