Tin always brings Hei to have fun together, and eat a lot. In the midnight, she alters his clothes to make them loose, so that he does not aware of weight gaining. Hei refuses to eat anymore after he has found the new trousers cannot fit him. Tin gets angry and leaves him in the mall. Poor Hei is robbed when he is alone. Tin feels extremely sorry about this. She makes a phone call to Lok to see if she can get dietary menu from her. Lok tells her about her problem with the diet. After the call, Tin is so worried about Lok’s health, she asks Fat Boy Hei to take care of her. Lok does not listen to the advice, she hopes Fat Boy Hei will go on a weight loss program with her together. Fat Boy Hei is badly beaten up by his dad. Because his dad has found in his pocket a promotional leaflet on weight loss program that left carelessly by Lok. Sum finds a strong hatred of weight loss related issues because his daughter died of anorexia.… ...