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.

A group of young martial artists infiltrate an underground pit fighting ring where the loser is chopped up and served in a Chinese restaurant.

Narcotics Sergeant Nick Tellis, on leave after a trauma, is called back to investigate the murder of fellow undercover operative Michael Calvess, joined by the victim's unpredictable and brutal ex-partner, Henry Oak. Working together in the back alleys of Detroit, Tellis and Oak delve into a dark investigation that leads them to uncover shocking secrets and question the corruption and morality within the department, encountering unorthodox methods and a brutal truth about Calvess's death.