Jeguk High School is known as the school that is only entered by teenagers from rich families. The school is also upholds the caste system. If they come from poor families, they would be oppressed, ridiculed and their dignity would be trampled. When Jung Ji Sook (Kim Tan's stepmother) is still be chairwoman, Jeguk High School greatly feared by other high schools in Korea. But a few years after Jeguk High School in power, Jung  Ji Sook resigned from chairwoman. Immediately, Jeguk High School disappeared and never existed reportedly again. But in 2020, Jeguk High School got up and changed its name to Jeguk Private High School. But after they are active again, they are not well known as an elite school anymore, but as a yankee school. they are increasingly feared because each of them met with students of other schools, they are immediately beat them. What kind of a continuation of The Heirs? please subscribe this! :D