Kang Seung Wan, who was once a child golf star, is now living a dull life as a securities broker. Driving through a tunnel, he passes his clone, and the two Seung Wan's switch places. Seung Wan walks into the life of a successful golfer who is on the verge of divorce. Will he be able to learn the necessary lessons in order to switch back to his original life? Will he be able to repair the damage in his life?