Suan, a performing arts high school student, becomes close with Seol, an actress and celebrity. During a trip, they realize that they have feelings for each other. However, misunderstandings pile up too much, and Seol leaves Su-an. Su-an later becomes an actress and returns to the winter sea, longing for Seol.

Two teenage girls form a close friendship and romantic connection. Their journeys take them to Seoul, where they experience various emotions and challenges together. Despite distance and time constraints, their bond remains strong.