San Antonio| Texas. The bodies of various drug cartel members are turning up mangled and drained of blood. Tough DEA agent Carlos Seguin discovers that the grisly
murders are being committed by a pack of chupacabras| which are lethal predatory creatures of local legend. Carlos| his feisty new partner Tracy Taylor| wayward
estranged son Tommy| and several others make a desperate last stand against the bloodthirsty beasts at the famous fort The Alamo.