While on his travel across the Southwestern United States, with his Jeep CJ Renegade and his chestnut colt named Joe Brown, Luke meets Matt, son of a friend of his, Moose, who is in jail. Moose asks Luke to take care of Matt, and to help him to take possession of a piece of land. So starts their travel, full of adventures...

While delivering a parking ticket to a small village in the Florida everglades, Officer Dave Speed finds himself in the middle of a radiation experiment conducted by the American government and NASA, where a detonated nuclear missile gives him a multitude of superpowers.