Yu Tomorrow is an orphan. He grew up in an orphanage. No one in the orphanage liked him very much. He was very lonely. Only the dean was very kind to him, just like his grandfather. When Tomorrow was 16 years old, for some reason, he met Lin Tong. Later, many strange things happened around him, and strange things continued from then on. A strange girl Xia Xiaoluo breaks into tomorrow's life. She always asks others nervously: Do you believe there are monsters in this world? Anyone who is asked will regard her as a lunatic. In fact, there is a secret tomorrow. He is immortal. Let's see how the story goes. Let's see how the three of them kill demons and demons along the way and embark on the road of no return.