The Yagyu Code 4: A Duel of Conviction (1991)
Yagyu Jubei (Hiroki Matsukata) receives a grave warning from his father, Munenori (Kinnosuke Yorozuya): the Tottori Ikeda clan has enlisted his old friend, the master Araki Mataemon (Go Wakabayashi). Driven by rumors of a hidden silver mine, Jubei secretly infiltrates Tottori, only to uncover that t