Shen Huaixu and Su Wan are childhood friends, five years apart in age, who grew up together in an orphanage. They were the only light in each other's dark childhoods. As an adult, Shen Huaixu studies hard, works tirelessly, and builds his own business while quietly staying by Su Wan's side. However, his experiences growing up as an orphan have left him burdened with doubts and fears. He loves Su Wan deeply but is terrified that if they become lovers and eventually break up, he will lose her forever. So he continually suppresses his feelings and keeps them hidden. When Su Wan bravely confesses her love, Shen Huaixu finally confronts his deepest fears, gathers his courage, and embraces this precious love.