The luscious hills of Koumi Island are one of many reasons tourists pay its shores a visit—a reason that comes second only to its scenic coral reefs and the legend of Anne Bonnie and Mary Read. The museum that houses the cutlass and pistol of the daring pirate duo does wonders for the small island's tourism. On a trip to the island, the famous Kogorou Mouri is joined by his daughter Ran, her best friend Sonoko Suzuki...