Augustus Greyson, a crime lord with a thirst for a mythical power, creates an internet-based brawl circuit called American Fight Club. While Greyson continues his search for the legendary Scrolls of Ma'tong, a band of elite mixed martial art (MMA) fighters gathers to stop him.

However, when the scrolls are found, a terrible magic spell is broken. A powerful maniacal tyrant from the distant past is released from his spellbound prison and into the modern world.