A doctor whose mission is to save lives stands up for the weak in the midst of suffering and cuts down the evil that is the disease of the human world. Teruhiko Saigo plays the main character Arashiyama, who was born into the family of the Shogun's official doctor, but joined the Hayashi family as a son-in-law to save more people, and Azusa Watanabe plays his wife Misa, who is also a doctor.