A brother and sister whose father died and whose mother did not love them. The younger sister has strange bones and is a prodigy in the world of immortality. The elder brother is destined to live less than twenty due to blocked spiritual energy for some reasons. He is insulted by fellow practitioners as "waste". After the brother and sister are entrusted by someone to go to the demon world, the elder brother picks up a child from the demon world. Since then, the elder brother's life has undergone earth-shaking changes.
Concept: Two people meet by chance, help each other and fall in love