In a Mexican hotbed of crime and violence, bets are placed on a brutal man-against-man sport called "pit fighting." The local champion, Jack, is a mystery man with no memory of his prior life, and...

In a Mexican hotbed of crime and violence, bets are placed on a brutal man-against-man sport called "pit fighting." The local champion, Jack, is a mystery man with no memory of his prior life, and the only clue he has is a tattoo on his chest. When he meets shadowy characters who claim to have known him before, Jack slowly begins to realize that he was once a cruel pawn of the underworld. The kick-ass action explodes as Jack undertakes a dangerous search for his former criminal bosses in a desperate quest for redemption.