KEI is very lazy and does not work. He is fond of gambling. He likes to show off. When he encounters any financial difficulties, he will ask his good friend, TAN, for help TAN is eager to help him without a word. TAN had hurt KEI's head carelessly years ago. KEI pretended that he had become a colour-blind after the incident. TAN believes. Since then TAN treats KEI well. KEI also enjoys the privileges. Thus, he continues to cheat TAN. YIN knows TAN through her relatives. They have fallen in love with each other. YIN then migrates to Hong Kong from China. YIN plans to marry TAN once he has enough money. TAN buys a new apartment for him and YIN. SW FONG, TAN's mother, quarrels with YIN due to some trivial matters regarding the renovation. KEI is tempted to go to the illegal casino....