Introverted high schooler Lia Kim struggles with bullying and academic pressures until she discovers the empowering music of K-pop group Eclipse. As she forms a close bond with charismatic classmate Hong Yejun, their friendship blossoms into romance, helping her find confidence and resilience. However, jealousy from another classmate complicates their relationship. In this heartwarming story, Lia's journey of self-discovery and empowerment is fueled by love, friendship, and the music that inspires her.