George Rivera, the middle weight champion of the world, was a boxer who shined brighter than any other. While celebrating after a successful title defense, Rivera was involved in a horrific car crash. After the crash, Rivera awakens to find himself in a place unlike any he's ever seen. In this place, people can have anything they want, provided they survive. In the Coliseum, fighters are forced to repeatedly fight as they advance through the tiers. Winning can grant them things they never imagined possible, but losing can equal death. Rivera must fight and survive in this new place as he tried to understand what the Coliseum truly is. Is it hell, prison, or something else entirely?