After her parents' divorce, Lin Yujing moves to a new city and becomes seatmates with Shen Juan, a withdrawn student repeating a year. As they grow closer, her presence begins to change his life. Just as things start to improve, she’s forced to return to her hometown. A year later, they reunite at university, where Lin Yujing helps Shen Juan confront his past and heal, while also discovering her own path in life.