In a lively neighborhood in Seoul, three lifelong friends—Sang-woo, Kyeong-soo, and Yeon-hee—face the complexities of adulthood as they navigate love, expectations, and friendship. Sang-woo is a dream-filled young man struggling to find his way in the job market, while Kyeong-soo, the most mature of the group, seems to have everything figured out but grapples with his own insecurities. Meanwhile, Yeon-hee, the only girl in the group, finds herself caught in an impending love triangle that could change everything.
As the year progresses, their friendships are tested after a series of unpredictable events. Sang-woo, obsessed with unrequited love for Yeon-hee, starts to question his feelings and his loyalty to Kyeong-soo, who is aiming for a relationship with her. This ebb and flow of emotions and exasperating dynamics pushes them to deepen their bonds, but also to confront the possibility of losing one another.
The story is sprinkled with endearing moments, humor, and an incredible soundtrack that makes the audience feel part of the friend group. In the end, they must decide if their friendship can survive the challenges of love and whether the true companion is the one who stands by you through thick and thin. With unexpected twists and lessons about love, the film brings together laughter and tears, reminding everyone that friendship is the real treasure.