Tony Jaa is the leader of the Panter Squad - a group of martial arts madmen employed by a notorious General and Cartel kingpin on the border of Thailand and The Golden Triangle. They have kidnapped a noted Explorer who has been searching for an ancient priceless artefact that the General is desperate to find and profit from. A team of ruthless mercenaries leads a crack team to free the Explorer, crush the General and deadly Panther squad. But before doing so they must overcome the fearsome Black Goblins and the crazed Kung Fu Zombies.