During a dark night, a spy raids the Japanese police. Secret files from intelligence agencies including England's MI6, Germany's BND, America's CIA, and the FBI are about to be taken, but public safety officers led by Tooru Amuro arrive just in time. The spy steals a car and escapes. On the highway, the spy and Amuro are locked in a dead heat, and just as it is about to cause a multiple-car accident, FBI agent Shuichi Akai's rifle bullet hits the spy's car, sending it off the road.
The next day, Conan and his friends visit a newly-remodeled aquarium in Tokyo. Beneath the Ferris wheel, the main attraction, Conan discovers a beautiful woman who is alone and injured. Her left and right eyes are different colors.
The woman is suffering from amnesia and does not even remember her own name, and the cellphone she carries is broken. Conan and his friends promise to help her regain her memory, so they stay with her.
Throughout this, Vermouth is watching from behind the scenes. Afterwards, she pulls out a silencer and speaks into an attached intercom, "It's as planned, Gin."