The male protagonist Fang Ziwei is an outstanding designer who is the leader in the company's design. However, he suddenly took the initiative to hand over the design department he created to the "airborne designer" sent by the company. Deng Chao, his friend and colleague, did not understand Fang Ziwei's approach. Fang Ziwei told his secret that he had been waiting for his girlfriend who suddenly disappeared two years ago. For two years, he struggled in the torment of missing her and decided to find his girlfriend, so he had to leave the company. In order to accompany Fang Ziwei to relax, his friend Deng Chao took leave and brought him to his hometown Banshan. After arriving in Banshan, Fang Ziwei met his girlfriend Chen Xi, who had been missing for two years, by chance and learned that Chen Xi had been staying in his hometown Banshan for two years. Being able to find Chen Xi, Fang Ziwei felt that he was the happiest person in the world. However, Chen Xi repeatedly avoided Fang Ziwei's advances because she had a terminal illness and she did not want to drag down Fang Ziwei, whom she loved deeply. She could only silently endure this cruel reality and could not love the person she loved. When Fang Ziwei learned about Chen Xi's condition while in pain and confusion, he burst into tears of happiness. He also loved Chen Xi in his own unique way. While pretending not to know Chen Xi's condition, Fang Ziwei accompanied Chen Xi to spend the last part of her life in Banshan. The two of them painted together, rowed together, and watched the sunrise and sunset together on Banshan...