Prime Suspect, Mouri Kogoro, who was found in the room with a dead body. With the help of Conan, Eri, and the police, they use a trick to lure out the real culprit and clear Kogoro's name.

A murder from 7 years ago pops up when people who rode on the same bus start being murdered. Can Conan stop the bus before it plunges off a cliff?