Using Serena as his surrogate, Conan exposes the killer.; Richard is called to an inn where a briefcase was left in the owner's care five years prior. He finds a years dead corpse waiting for him, along with another man who claims to be him.; After deducing the meaning of the sports journal, Conan nudges Richard and Det. Yamamura into setting a trap for the murderer.; While at the beach, Conan, Rachel and their friends become involved with a body washing ashore wrapped in a net.; Using Dr. Agasa as his surrogate, Conan reveals the killer.; One of the contestants at the kendo tournament Harley is entered in is murdered and Harley is determined to solve the mystery without the help of either his detective father or Conan.; An armor bag used by kendo students leads Harley to the killer.; Rumors of a treasure hidden in the famous castle of Toyotomi Hideyoshi in Osaka embroil Conan and his friends in a possible murder resembling a case Harley and Kazuha's fathers worked on thirteen years earlier.; The man impersonating Richard is found murdered, apparently over a five year old sports journal.; A sea shell points Conan into the direction of the killer.; With Conan due to arrive and his kendo match looming, Harley races to solve the crime.