YAN appears as a debauchee & always wanders around the night pub. One night, he quarrels with a stranger. Later, he is hunted by somebody. He is fainted & is being sent to the hospital. LAI takes care YAN all along. She even misunderstands that he has become an idiot, however, she is still good to him. YAN is greatly affected with gratitude. He is determined to take care LAI & stays with her. KEUNG overcomes a lot of difficulties & eventually wins DI's trust. DI agrees to marry him. YIN finds that NGAN acts strangely. She follows her & finds that she is in lea e with a man to seize the TANG's property. They even discloses that she pretends to be pregnant. KEUNG is then at ease. In another aspect, all of them try to mediate between YIN & KWAN who have quarrelled for many years. Could they succeed? Please pay attention to the ending of 'Happy Returns'.