Run, Angel, Run

Angel, a member of a notoriously violent motorcycle gang, gets an offer from a magazine for a large sum of money in exchange for exposing the secret workings of his gang. Angel takes the offer, betraying his fellow bikers! A ranch owner and former biker named Kemp gives Angel and his girlfriend a place to hide, but nobody is safe from Angel's gang! After raping Kemp's teen daughter and leaving her to die, the bikers continue their bloodthirsty revenge. (official distributor synopsis)