Assignment Dragon No. 3

While visiting Hachijo-jima, Conan sneaks aboard a security boat heading to the Pacific Buoy, an off-shore facility constructed near the coasts built to connect surveillance cameras used by police forces around the world. However, an engineer gets abducted! An eerie sound of a propeller hums underwater as a dark figure begins to creep toward Ai Haibara... When the forbidden Black Box is opened, the sealed-away past will surface above the treacherous waves!

A brother and sister learn their biological grandfather was a kamikaze pilot who died during World War II. During their research into his life, they get conflicting accounts from his former comrades about his character and how he joined his squadron.

It follows a young man who dreams of becoming a general and Ying Zheng, whose goal is unification.

As a pair of towers in Tokyo are being prepared for their grand opening, there is a series of murders of people connected to the towers. Conan suspects that the mysterious Syndicate may also be involved.