Li Zai is an orphan. After fighting his way through a difficult childhood, he encounters the apocalypse. He manages to endure for more than a decade, only to be eaten by zombies. Perhaps his tenacious will to survive moves the heavens, because he is reborn in ancient times in the body of a simpleton. He has a beautiful sister-in-law who looks after him every day. She is unloved, and he is a simpleton. Their family, planning to head south, abandons them and leaves them to fend for themselves. His kind little sister-in-law refuses to leave him behind, so he decides to repay her by finding them a new way to make a living. Then one day, his sister-in-law injures her head and mistakes him for her husband...
Theme: Cherish life and never stop striving.
