The term "Hermit" refers to an individual who remains concealed within the bustling city, making them practically invisible and forgettable. Complying strictly with the "Hermit's Code," they follow the paths of those contemplating suicide, and sign lifespan donation agreements with them to retrieve the life they are so desperately trying to abandon. Being a firm believer in the sanctity of life, Dr. Xu Shu accidentally uncovers the world of Hermits. He vows to track down and intervene in the suicide attempt of the other contracting party who wishes to sign the agreement. After witnessing a series of despondent and heartrending human interactions, Hermit No. 1866's and Xu Shu's relationship began to change drastically...
