Choi Si-woo

Hee-jin, the daughter of a conglomerate family, witnesses school violence and corruption among the adults. Determined to set things right, she goes undercover as a temporary teacher. As she investigates the main perpetrator Jae-young and the principal and vice principal who protect him, she uncovers scholarship fraud and rigged art competitions. Will Hee-jin bring them down and restore justice?

Pitcher Tae Hun and catcher Jeong Ho, from a struggling high school baseball team on the brink of disbandment, lead their team in their own ways. As they get to know each other's true feelings, they gradually achieve perfect teamwork.

Hee-jin, the daughter of a conglomerate family, witnesses school violence and corruption among the adults. Determined to set things right, she goes undercover as a temporary teacher. As she investigates the main perpetrator Jae-young and the principal and vice principal who protect him, she uncovers scholarship fraud and rigged art competitions. Will Hee-jin bring them down and restore justice?

Pitcher Tae Hun and catcher Jeong Ho, from a struggling high school baseball team on the brink of disbandment, lead their team in their own ways. As they get to know each other's true feelings, they gradually achieve perfect teamwork.