Designer Zhang Jiabin has retinitis pigmentosa and is gradually losing his sight. At his most desperate, he meets Lin Xiaozhi.
"If one day you can't see, I'll be your eyes."
From then on, two souls lean on each other at the edge of light and darkness. He struggles with feelings of inferiority and pride, while her love and understanding melt the ice in his heart. Together, they face the cruel tricks of fate, supporting each other through countless late nights.
From Beijing to Shanghai, from hospitals to laboratories, they embark on a difficult search for treatment. Scams, exorbitant costs, and relapses cannot make them give up. She shoulders everything with her frail frame, while he clings to his dreams with the vision he has left.
When gene therapy brings a glimmer of hope, and family ties and love force them to choose, they finally understand: even if the eyes cannot see, the heart still can; even if the world falls into darkness, love will become the light in each other's eyes that never goes out.
This is a story about love and perseverance, about how two ordinary people use courage and deep affection to write a miracle of life in the face of fate's cruelest trials.