Ieyasu No Kutsu (Tokuma Bunko Wa 12-7 Hagure Ju Hidari Goyo Cho)

[Machine Translation] Minosuke, a thief held captive in a Kodenmacho prison house, is urged to escape from prison and runs away to his love. However, this was the beginning of a search, initiated by Kaburaki Juza, a deputy underboss, at the request of Matsudaira Sadanobu, an old courtier, for the relics of the great lord Ieyasu taken from inside the Edo Castle and the men under the command of the disgraced Tanuma Iiji who lurked behind the incident. Together with his subordinate Yajusuke and the gardener Shino, they uncover the truth.

小伝馬町の牢屋敷に捕らわれていた盗っ人の巳之介は、牢抜けを唆され、恋女房の元へと逃げ出した。しかしそれは、老中・松平定信からの頼みで、同心・鏑木十左が仕掛けた探索-江戸城内から持ち出された大御所家康の遺品と事件の背後に潜む失脚した田沼意次の配下たち-の始まりだった。手下の八十助とお庭番の紫乃らとともに真相を暴く。