The heroine Cheng Cheng has a tragic life experience. When she was five years old, her father was imprisoned for robbery and murder. Her mother was missing and her heart was closed. Later, she met an optimistic and cheerful boy Jiang Chuan in high school, and with the help of Jiang Chuan, she slowly came out of the gloom. Suddenly, Jiang Chuan's father, a soldier, died in a mission. Jiang Chuan obeyed his father's last wish and joined the army. The two had not seen each other for ten years. Cheng Cheng had always let his best self wait for Jiang Chuan's return. Jiang Chuan did not let her down, and they met again ten years later...