Overlap the clues in the crime scene of the case, Conan figured out that the case was related with the suicide case of 5 years ago. Giving hint of the place in which treasure buried, Conan invites the culprit to the forest of suicide. Using the real deduction of true Sleeping Kogoro, Conan reveals that it is not a suicide but a murder and that relates to the incident 5 years ago. Afterwards, Mouri picks up girls who are his fans and gives them a ride in the car.