A satirical drama that closely looks at the materialistic desires of the upper-class parents in Korea and how they ruthlessly secure the successes of their families at the cost of destroying others’ lives. The drama revolves around the lives of housewives living in a luxurious residential area called SKY Castle in suburban Seoul, where wealthy doctors and professors live. The wives are determined to make their husbands more successful and to raise their children like princes and princesses and to be top students. They want their children to go to top universities so they use every way possible to get that. They spend billions of won to hire coordinators for college entrance exams.