While preparing for the upcoming Marine Cup Tournament held on board of their new cruise ship, Ash and his friends meet Ripple, a jewel collector, who will display her collection after the tournament. However, the "Eye of Liepard" has been stolen. Ripple's main suspects are a jealous Purrloin and a mysterious man she has seen on board. How the "Eye of Liepard" has been stolen when it was watched over by Ripple's Watchog? Looks like the Master Detective Connoisseur Cilan is on the case!