The drama is based on a true story of Yamaguchi Hayato (25), a young man who learns he has a rare illness known as CIDP, which affects the nervous system. He begins to lose the functioning of his limbs, but he is determined to fight the illness with the support of his wife and his 2-year-old daughter, Myu-chan.
The 21-year-old feudal on Sendai, Tsunamune Date, was prohibited to go out in the daytime for his misbehavior during his short stay in Edo. On the next day, his 4 attendants were killed one after another. Sakai Utanokamike, the Rozyu, is turned out to be involved in this scheme, and the aim is to destroy the Date family. Tsunamune's brother Munekatsu Date who is willing to take over the family doesn't know the real purpose of Utanokami and helps him. Munesuku Harada gets to know the whole picture of the incident and takes action alone for the sake of protecting the Date family, leaving his own family. His lonely fight continues for 10 years and he got in danger in Utanokamike's house, and...