YAN cooks some food for his friend during his birthday as Bing does not know how to cook good food. Fai and others force YAN to disclose his secrets when he is cutting the birthday cake. The atmosphere is filled with happiness. Fai lies that he has to work in the factory after the dinner. He asks YAN to send Man home for his sake. Indeed, Fai goes out for fun instead of working. Ting is always very suspicious. She warns Man but Man ignores her warnings. Fai and YAN have an appointment with a Taiwan customer. Fai does not show up as he has to meet his girlfriend, Joey, secretly in the factory. YAN deals with the client by himself. Meanwhile, Man and Ting go to the factory so as to select some samples. Fai and Joey hide outside the window. Unexpectedly, Man decides to play MahJong in the factory. Fai and Joyce are freezing outside tile window. Fa; phones YAN for help with his mobile phone. YAN tries a few methods but is all in vain……