John is a security guard at a laboratory where experiments of all kind are developed on a regular basis. One day, a man enters in the lab, intending to steal some information, and John ends up being quite injured. In order to save his life, Brenda, a scientist, operates John and gives him a lot of mechanical gadgets. John is now half a robot and half a human being, and he is able to enter into the police department as a special detective, something that John has always dreamed of.