ooshin High School, the most prestigious in South Korea, was established by the Jooshin Group and admits only students selected at birth. Among them are Jeong Jae Yi, daughter of the Jaeyool Group's head; Kim Ri An, successor of Jooshin Group; Yoon He Ra, youngest daughter of International Yoon; and Lee Woo Jin, second son of a political family. Kang Ha, a transfer student with a secret, joins Jooshin High. His innocent smile masks a hidden truth that starts to disrupt the school's rigid world.