Navigating the demanding world of a K-pop idol is no easy feat, particularly for Choi Yuwon. Amidst the rigorous idol life, Yuwon finds himself playing the role of the responsible figure for the mischievous Park Dojin in the group INSECRET. Dojin's rebellious nature requires Yuwon's constant supervision to steer clear of trouble. Their dynamic functions smoothly until a pivotal moment when Dojin's actions lead to a significant error that changes everything.