SKY Castle, a private luxury condo community, where wealthy doctors and professors live. It was built by the first president of Joo Nam University, the most prestigious university in Korea. Most of the residents are doctors and law school professors of the university. The drama describes all the ins and outs of how the wealthy make their children enter a top university. It is a comic satirical drama that closely looks behind the scenes 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.