Sister's Taste: After graduating from college, Minji, whose goal is to meet and marry a man with a lot of money rather than a job, spends more time in the club than in the library and lives every day. One day, Min-ji pretends to know a man he doesn't know at a convenience store . Tae-soo's father, who failed in business, left himself and his mother and fled, and the mother who had struggled to build a home alone died of cancer three years ago. Min-ji is starting to live together because Tae-soo is now unhappy, saying that she is living hard at the Gosiwon in Seoul alone.