Chu Jin is seriously ill. He and Li Shu, who grew up in poverty and has a congenital heart condition, fall in love. Together, they face life’s hardships and support each other. But fate is cruel: to save Chu Jin, Li Shu works himself to the bone to earn money, only for his illness to become incurable. Grief-stricken, Chu Jin remains devoted to his love for Li Shu until his hair turns white.