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.
Hwang Hae
Kim Myeong-ho
Hak-Ja Ji
Kim Jeong-ok
Lee Bin-hwa
Lee Min-ja
Yang Hoon
Lee Bu-nam
Bok Hye-suk
Myeong-ho's mother
Ji Bang-yeol
Bu-nam's father
Go Seon-ae
Bu-nam's mother
Seok-cheon Yang
Fiancé of Min-ja
