Hörbuch: 恩讐の彼方に (Onsyuu no kanatani)

A samurai story of revenge. Ichikurou killed his master. He got away from Edo (Tokyo) with his lover. They became burglars. Then he became a Buddhist priest (bonze). He started to dig a tunnel near the riverside. Then his master's son appeared seeking revenge. (Summary by ekzemplaro)