After an opponent dies mid-match, a prominent MMA champion swore never to fight again and retired to run his family's company. But when his best friend dies under suspicious circumstances, he has no choice but to step back in the ring.
Steve Yoo, born Yoo Seung-joon (유승준), is a Korean-American pop singer formerly active in South Korea. He was deported and banished from the country in 2002 for becoming a naturalized United States citizen and thus not fulfilling his Korean mandatory military duty. He is now active as an actor in China.