A new breed of criminal stalks the barrios„the Zavalas, part death-worshiping cult, part crime syndicate. The seductive and merciless Gemma Zavala, aka Mama Z, heads the cartel. Anyone she can't bribe or intimidate ends up paying the ultimate price as a human sacrifice in her Aztec rituals. Ruthless, blood-thirsty with influence far and wide, the Zavalas appear unstoppable. Until they murder the wrong girl...