Wai Kit and Heung Hoi go to an alumni dinner party. They discover that one of her former female classmates turn out to be a pretty lady. They both decide to target her as girlfriend. At the same time, they receive news from another female classmate, Mei Mei, who is used to be the school beauty, is coming back from U.S.A. They choose not to pick the first girl and awaiting Mei Mei back to Hong Kong. To their surprise, Mei Mei has become a fat girl and is no longer pretty any more. They leave the airport with disappointment.