LUNG envies YEE when she has spent her vacation to see the World Expo and expresses that he also wants to go to Shanghai. LUNG proposes to SUM for taking a leave to see the Shanghai World Expo. As to find out whether LUNG is capable enough to take care of himself, SUM wants LUNG to collect the custom cheongsam that she has made in Shenzhen. LUNG gets back to the office and explains that he is late because of lending twenty dollars to a stranger. Seeing the innocence of LUNG, KEUNG opposes him for going to Shanghai. LUNG goes alone to Shenzhen to collect the cheongsam for SUM and delays in his return. SUM calls up the shop in Shenzhen and finds that LUNG has never showed up; meanwhile, SUM receives a message from LUNG… LUNG and TAK go back to the male dormitory together. SUM claims that LUNG fails to get her the cheongsam, it means that he cannot pass the test and has to give up his trip for visiting the World Expo……