The series follows a group of rich, privileged, and elite high school students as they are groomed to take over their families' business empires. Kim Tan is a handsome and wealthy heir to a large Korean conglomerate who is sent to study abroad in the U.S. But in reality, it's a form of exile, as his elder half-brother back home, Kim Won schemes to take over the family business.
Overview of the movie
The Heirs Key