University student Kwon Eungi, disinterested in romance, focuses on reviving the classical guitar club with the arrival of new students. Among them is Choi Jeongwoo, a bright presence who melts Eungi's tough exterior. As they bond over music and mutual friends, Eungi's feelings evolve after learning of Jeongwoo's past heartache. Navigating unfamiliar emotions towards another man, Eungi treads carefully despite sensing potential mutual affection, finding it increasingly challenging to maintain his guarded stance.