Chul Jong was a promising professional bowler, known as a legend in the field, but he had an unfortunate accident. Since then, he has disconnected himself from the world. He then happens to meet Young Hoon, who has unlimited potential as a bowler but also has autism. Chul Jong brings Young Hoon as his partner. Hee Jin, Chul Jong's helper and a broker for gambling games, sets up a high-stakes bowling game.