In the sweltering heat of the Texas desert, Erik Estrada discovers that he's not the only Latino legend in town—a mythical beast is about to fight him for the spot of top dog.Something strange is happening in San Antonio.
Members of rival drug cartels are turning up dead with every drop of blood siphoned from their bodies. But as DEA Agent Carlos Seguin (Estrada) investigates, he discovers that the murder suspect isn't human — in fact, it might not even be real. With a rampaging pack of Chupacabras on the loose, Carlos prepares for a sci-fi super battle against the fabled goat-suckers. Flanked by an assortment of gang members and his estranged son, it's time for a showdown of historic proportions—the true last stand at The Alamo.