After returning to Hong Kong, Andy's older sister informs about a phone call for him made by Shum's younger sister, Winnie, and gives him an address of a gymnasium where she trains. Ban-ban also opens the luggage containing the mysterious artifact, the Magic Crystal, a large piece of jade with magical powers and can talk, and befriends the jade. Meanwhile, Andy arrives at Winnie's gymnasium she states she has no news of her brother for a month.