In the dry, dusty western hamlet of San Angelo, landowner Joe Bradford kills his brother and then marries his brother's widow, Gertie. Gertie's son, Hawk, decides that something's rotten in this state of affairs and thinks about taking action

Honeymooning couple Monica and Mike check into a motel in New Mexico. All seems normal until an ambulance pulls up and abducts Mike. Monica narrowly escapes and, with the help of truck driver Bill, discovers the awful secret of the motel and the ambulance service.