To prove himself to a love interest, a delivery boy learns dubious kung fu from an aging charlatan so he can challenge his archrival to a fight.To prove himself to a love interest, a delivery boy learns dubious kung fu from an aging charlatan so he can challenge his archrival to a fight.To prove himself to a love interest, a delivery boy learns dubious kung fu from an aging charlatan so he can challenge his archrival to a fight.