A journalist is shot to death at the grand opening of a restaurant in Osaka. The suspects are all professional sportsmen - and one of them is a soccer player of whom Conan is a fan.
Sato and Takagi transport a criminal on the Shinkansen bullet train. Unfortunately, the man is found dead of a stab wound in a bathroom, and Conan doesn't think it was self-inflicted.
After acting strangely for a while, Genta reveals to the other Detective Boys that he thinks he's being stalked by a killer. Realizing that someone is indeed after Genta, Conan tries to figure out what Genta saw that makes him a target.
While visiting a beach with Ran, Sonoko and his friends, Conan investigates the murder of a crooked fisherman who washes up on the shore wrapped in a fishing net.
Conan and the Detective Boys get into hot pursuit as an American tourist is mistaken for a millionaire and kidnapped, but manages to leave behind a clue.