A young and mischievous son Wong (Jackie Chan) beats up the son of an influential man in town. Wong's father decides to punish him for his behavior by making him train harder in martial arts. Wong's father arranges for Beggar Su to train his son in martial arts. Beggar Su forces Wong into his brutal and rigorous training program, but Wong flees many times to avoid the torturous training. Wong later runs into the notorious killer Thunderfoot by accident. Wong provokes and challenges Thunderfoot to a fight and is badly defeated and humiliated. Wong after the humiliation, makes his way back to Beggar Su and decides to commit himself to the Drunken Master's training program.