Ji Guinian has never seen his father since he was born, and his mother single-handedly raised him up. During the summer vacation of his senior year of high school, he met his love, his neighbor and senior Gu Sihan. In their sophomore year, they were selected to study abroad together. Beside a famous bridge in country E, he saw a man who looked very similar to himself. This man also had a close relationship with his professor. During a chat with a professor, Gui Nian learned about his life experience and a series of stories over the years. After returning to China, Gu Sihan's mother came to their city, and conflicts ensued one after another. Gu Sihan was in the early stages of starting a business, and Jifu was diagnosed with an incurable disease...