The Story

Ran and Sonoko enjoy Scuba Diving near the Ocean Bottom Palace, and meet the treasure hunters.

Suddenly one of the hunters gets attacked by Sharks. Ran and Sonoko manage to survive from that Attack but the hunter which was attacked dies.

Conan finds on that dead hunter a suspicious mark, and starts investigation with Haibara. Conan and others search for the hunter that has "strange shadow" while challenging to solve the mystery of the "Ocean Bottom Palace" where the case took place. The word "Jolly Roger" pops up as they advance in investigation. When Conan is about to solve the legend, the mystery-shrouded hunters steal one part of the discovered treasure. Moreover, their evil hands approach Ran and Sonoko.
What is their aim?

What is the meaning of the secret Message in the legend? What is the secret that is hidden in the Ocean Bottom Palace? Will Conan be able to solve the cipher made over 300 years ago?

Key Words

1- Jolly Roger	2- Anne Bonney & Mary Read
3- Bottom Ocean Palace	4- Treasure Hunter

Key Persons

Iwanaga Jouji Head of Koumi Island Sightseeing Division	Tayama Tomoyoshi Treasure Hunter	Matsuto Mitsushi Treasure Hunter	Izuyama Tarou Treasure Hunter
Mima Kazuo Koumi Inn Manager	Mabuchi Chika Diving Shop Owner	Mayaguchi Kimiko Diving Instructor	Uehira Junsa Koumi Island Resident Police