Dagou and Taozi were chased by their enemies because of a piece of jade pendant. Dagou jumped off a cliff and died, leaving his wife Taozi and his idiot brother Ergou to depend on each other. In an accident, the energy in Ergou's body was inspired to possess super powers, which not only freed his sister-in-law from a miserable life, but also took on the responsibility of taking care of Taozi.
