TONG’s uncle LUNG helps TUNG to look after the business at the beach whilst there are six sisters playing at the beach. Suddenly, someone is drowned; hence, LUNG jumps into the water and tries to save the girl. Unfortunately, he suffers a strain in his leg and faints. The next day, he is found naked, in the gap of a big stone. Everyone suspect the 7 sworn sisters did it. TONG begs KUEN to let go of his relatives when KUEN heard about the incident; she denies that she did it. TONG and CHARM finally moved by KUEN and agree to help her searching the reply letter. Just when TONG takes out the unknown letter to KUEN, Kuen begins to talk about SIN again. She said her lover, SIN was an actor, because of his disgrace status, he can treat KUEN has his sister only despite the intimate relationship has already built. This made KUEN very upset… YUEN baby-seats 2 children, who are very naughty and make her very angry……