After an explosion, You Xiaomo awakens as a probationary disciple of the Tianxin Sect with only six months to prove he deserves a permanent place. Considered to have limited potential, he throws himself into making medicines and earning enough to survive within the sect. His efforts bring him into contact with Ling Xiao, a powerful figure whose human appearance hides something far stranger, drawing the seemingly ordinary disciple into secrets much larger than his initial struggle for status.