The higher command of Lightspeed, led by General McKnight, wants to eliminate the human error factor of protecting Mariner Bay. A team of robotic Lightspeed Rescue Rangers, known as the Cyborg Rangers, are dispatched to do the job, when the human Rangers are relieved of duty after fail against the Strikning monster. But thanks to the demon's lightning strikes, the Cyborgs malfunction and turn against their controler! Can the replaced Rangers come out of retirement in time to save the city from its own technology? (thetvdb.com)