Zhang Dagang regained his intelligence after accidentally obtaining the inheritance of the dragon. After remembering that the person who made him stupid was the class teacher, he vowed to expose the matter and let his sister-in-law live a happy life. But my sister-in-law was bullied and humiliated by the village bully...bear it, Zhang Dagang is not made of mud! Zhang Dagang: Starting today, I, Zhang Dagang, will no longer be stupid! Those who humiliate me, tremble!