An adaptation of the famous novel by Jiromasa Gunji about the difficult story of Niiro Tsuruchiyo, the illegitimate son of the great elder of the Bakumatsu era, Ii Naosuke. This masterpiece depicts the suffering and love of Tsuruchiyo, who never knew his father until the end of his life. Niiro Tsuruchiyo, the illegitimate son of Elder Ii Naosuke, grew up with his mother, a former geisha. However, he was refused an engagement to Yae, the daughter of Samanosuke Yoshimura from the Maeda domain of Kaga Province, to whom she tied her future. After this refusal, Tsuruchiyo begins to be interested in the mystery of his birth…