Wai, Wah and May are professional con-artists and they work as a team. However, they are defeated by a woman. They decide to recruit the help of their master in order to avenge for the shameful defeat. Surprisingly, instead of offering help, their master expounds on the ethics of con-artistry and suggests that they should team up with the woman and help those that are helpless. Their first case on hand is to deal with a notorious loan shark who has recently caused the death of a poor fellow... (Joy Sales)