Kageyama, the manager of a prestigious golf course in Tokyo, learned that high-stakes golf gambling was taking place on his course. Believing he couldn't ignore it, he hired a skilled golfer named Saigo, and successfully drove out the ringleader. Although Kageyama managed to settle the matter, he harbored suspicions that there might be an organized group behind the golf gambling, and also wondered about Saigo, who possessed such an advanced level of golf skill. ”What is the true identity of the underworld organization orchestrating the golf gambling, and who exactly is Saigo with his exceptional golfing talent?” The story escalates dramatically, moving the setting to New Zealand, then traversing the globe, including Great Britain and the United States.