徳之助が出署すると同僚の宮本(松尾伴内）が担当した捜査資料を北村(小林健)率いる捜査一課が持ち去ってしまった。その事件とは宮本が目撃した傷害事件・被害者･安西留美子（遊井亮子）を襲っていた犯人らしき男がナイフを落として走り去ったというものだったが、実は10年前に起きた
When Tokunosuke departed, the investigation materials that his colleague Miyamoto was in charge of were taken away by the Investigation Division 1 led by Kitamura. The incident was an injury case witnessed by Miyamoto, a man who seemed to be the criminal who was attacking the victim, Rumiko Anzai, dropped a knife and ran away, but it actually happened 10 years ago.
