What happens when you lose the one thing that you were the best in the world at? Ji-Ho Seong was once a top-ranked player in the online action game, One Sword. When the game eventually shuts down due to a lack of players, he loses all interest in competitive gaming. That is, until he finds out that his school has an e-sports club and discovers a popular team-based game called Sword Rush, which seems to be an exact copy of One Sword. With new teammates now by his side, Ji-Ho takes another shot at rising to the top of the game!