After witnessing the brutal murder of his wife and daughter at the hands of a ruthless crime syndicate, Muay Thai master Bai An (Tony Jaa) is consumed by vengeance. With nothing left to lose, he unleashes a relentless, bone-crushing assault on the killers, tearing through the city with fists knees, and fury. As he takes down each enemy one by one Bai An's path to justice is paved with blood, proving that no one can outrun the wrath of a man with nothing left to lose.