Conan notices that the footprints outside the shrine are too shallow and sees that there is a crack in the ceiling in front of the hot spring; from these and other clues he is able to deduce how the culprit faked an alibi. Conan finds out the identity of the culprit and their relationship to the case that happened five years ago. Conan tranquilizes Kogoro and solves the case; Kogoro eventually wakes up and being disorientated falls into the hot spring.