Three back-to-back anime films by three different directors make up this sci-fi trilogy three years in the making.

Mashin Hero Wataru is a comedy/adventure Super Robot multimedia franchise originally consisting of 45 episode anime series created by Sunrise first aired on April 15, 1988. Sunrise credited "Hajime Yatate" for the storyline and Shuji Iuchi directed the series. The series employs a kinetic visual gag style, often employing characters running with their feet over their shoulders derived from Sunrise's previous Super Robot anime series Choriki Robo Galatt.

Conan Edogawa sets out to apprehend Lupin the Third, the suspect of stealing a jewel called Cherry Sapphire.

Serial murders involving all kinds have happened. All the victims are from a Music School led by a famous pianist. Conan and company have been invited to a opening concert of the Music Hall built by the pianist. The biggest attraction of this concert is the world famous violin called "Stradivarius" and a special appearance of a singer who has perfect pitch.

Kaitou Kid dares to challenge the police once more, setting his sights on the Russian Imperial Easter Egg. With the date, time, and place, the Osaka police force scrambles to stop him. But this time, Kid may have bitten off more than he can chew—Conan Edogawa, Heiji Hattori, and numerous others are also trying to get their hands on the jeweled egg.

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!