Haerin struggles with a difficult situation at home - her and her mother arguments make her feel lonely and lost. In her life appears Suho Ahn, a boy who is the first person to truly understand her and give her a sense of safety. Their relationship slowly begins to grow, but everything changes after a tragic accident - Suho falls into a coma. Heartbroken, Haerin tries to cope with the situation. One night, she meets the mysterious Seungje Geum. The boy becomes her support during the hardest time. Haerin begins to wonder whether she should keep waiting for Suho or open her heart to Seungje. Who will she choose in the end? OC x Ahn Suho x Geum Seungje