A 17 year old teenage kid, Jimmy (Shinichi) Kudo took his childhood friend to a theme park called Tropical Island. There, he solves a murder mystery on a roller coaster. As soon as he solved the mystery, he saw the suspicious men in black from the case and decided to follow them. There, they were trading with the president money. Jimmy (Shinichi) decided to capture this scene with his camera. Unfortunately, he got found and was hit on the head with a bat by a man whose code name was Gin.