In Miami, the leader of the Demons motorcycle gang, Diablo, is sentenced to the electric chair. Before being executed, he says that he is innocent and was framed by the Chief of Police Strycher in the murder of a young woman. He promises to return from beyond to seek revenge. In the Easter Holliday, the city is crowded by young people when a biker gives a ride to a young woman and electrocutes her on the road. Meanwhile, the body of Diablo is missing in his grave and the Mayor Loomis, Doc Willet, Strycher and Rev. Bates believe his gang has stolen his coffin. When the corpse of the young woman is found, they decide to cover up the information to the press. The football players and friends Skip and Ronny come to the city to forget the defeat in their last game and have a good time. They meet the bartender Gail and soon Ronny gets in trouble with the Demons gang. They beat him and immediately after, he is burned by the mysterious biker. However, Loomis and Strycher press Doc Willet to vanish with Ronny's body. When Skip decides to look for his friend, he finds a ring of corruption in the city while the mysterious biker proceeds his crime spree.—Claudio Carvalho, Rio de Janeiro, Brazil