Oh starts working at a boutique to help her make a living. Professor Jang begins dating the typist Miss Park, but decides to break up with her to protect her family. Han's wife anonymously sends a letter to Jang to reveal Oh's affair.
In-Ja, the madam of a cabaret is a mistress of the boss of espionage agent. She gathers information from the guests and gives it to Seon-Tae.
Myeong-ho (Hwang Hae), a middle school teacher who had grown up in poverty, and Bu-nam (Yang Hun), the first son of the president of a trading company, attend the same university. A doctor suggests that Bu-nam, who is sick due to overeating, and Myeong-ho, who suffers from malnutrition, should switch life styles for two weeks. While living in each other's house, they fall in love with each other's younger sister and get married at a joint wedding ceremony.
