Rumors tell of a magnificent treasure buried at the bottom of the sea near Koumi Island - the very place that Conan, Mori, Sonoko and the rest of the gang have just arrived at to take a vacation. The treasure supposedly has something to do with Anne Bonnie and Mary Reed - two female pirates who lived hundreds of years ago. Conan and his friends soon find themselves in the middle of a grand adventure involving deep sea diving, planned shark attacks, kidnappings, and the most important element of all: the famed pirate treasure itself!
Fudou Academy's Hajime Kindaichi is the grandson of the famous detective Kousuke Kindaichi. Though he often appears to be lazy in school and clumsy, he is actually a modern-day genius with an IQ of 180. Together with his childhood friend Miyuki, Hajime solves the most unsolvable murder mysteries with ease and grace. From missing students to wax museums, there's no case that Hajime Kindaichi can't solve!