Mouri Kogoro made a golden business card, which was scattered all over the floor when he was on the boat. Later, Xiaolan helped him pack it up and carry it with him. Later, Xiaolan was thrown into the sea, and the business card floated. When the helicopter's searchlight shined on the golden business card, it would reflect, thus determining Xiaolan's location and saving her.
Theatrical Version 17: Detective of the Sea: Synopsis:
In the mist-shrouded Kyoto, a major event concerning Japan's national security is about to happen. A suspicious ship suspected of carrying explosives approached Maizuru Bay. Through the investigation of relevant data and parts on the ship, it was determined that the ship was likely to come from overseas. As soon as this news came out, it immediately caused panic throughout Japan.
On the same day, Conan Edogawa, Kogoro Mori, Ran Mori and everyone from the Junior Detective Corps observed an anti-air combat exercise organized by the Maritime Self-Defense Force. They boarded the Aegis ship for the first time The Hotaka, together with the children gathered from all over the country, were shocked by the tremendous courage brought by the high-tech Aegis ship equipped with electronic weapons.
Unexpectedly, an accident occurred during the exercise, and the original virtual battle instantly turned into a killing with real guns and live ammunition. Soon, the body of 1st Class Captain Sasaura Yosuke, a member of the Self-Defense Forces who had lost his left arm, was found floating on the sea. All kinds of uneasiness and speculation spread in the hearts of Xiaolan and the young detectives. On the other hand, the Maritime Self-Defense Force quickly and calmly stabilized the situation, but was never able to discover the true identity of the enemy and his goals. At this moment, the Aegis ship discovered the left arm of the murdered team member, and the hands of the watch he was wearing stopped at 5:30 am. The series of unusual incidents forced the Osaka Prefectural Police to arrive by helicopter and launch an investigation in collaboration with their local counterparts in Kyoto. During this period, the mysterious female self-defense team member Fujii Nanami also boarded the Aegis ship.
Conan contacted Haibara Ai and Dr. Agasa through the tracking glasses, new props satellite phone watch and other equipment he carried with him. In addition, he received the assistance of Hattori Heiji and Toyama Kazuha. The strongest detective team worked together in an all-round way and finally discovered the instigator behind this series of events - the spy "X" from a certain country who has secretly infiltrated into the warship. During this period, the lives of Heiji, Xiaolan and others were threatened one after another.