After rising to the top as the strongest MMA fighter, Kwon Youngmin decides to retire from all competitions and enjoy a lazy, carefree life. However, his plans go slightly awry when a gamer calls him out in the virtual game "Final Saga," provoking him to join. Clueless to gaming but reluctant to lose in any way, Youngmin logs into the game with a new goal of becoming #1. Can this former MMA Master take complete control and become the top player in this virtual world?