Captain Kuro of the Black Cat Pirates has been posing as a butler in a small seaside village. Now, the time for pillage is just right and the Black Cat Pirates will attack unless Monkey D. Luffy and his small crew can stop them.
Precocious high school student Jimmy Kudo uses his keen powers of observation and astute intuition to solve mysteries that have left law enforcement officials baffled.
Jimmy, Rachel and Richard take a vacation aboard a cruise ship, but little do they know that the patriarch of the wealthy Hatamoto family is about to be murdered.