After seeing his parents viciously murdered by a mysterious, tattoo-covered killer, a grieving young man named Zieng (Born to Fight's Dan Chupong) vows to avenge their tragic deaths in this action-packed martial arts extravaganza produced by Ong-Bak's Prachya Pinkaew and featuring stunts by Panna Rittikrai. When Zieng learns that the murderous maniac who slew his parents also runs with a nefarious group of cattle rustlers, the righteous martial artist's mission of vengeance takes on the larger task of stopping the group's illegal activities and ensuring that each head of cattle is delivered back to its rightful owner.