After losing her voice in an accident, Shen Shen befriends Wei Yi in the hospital, and they fall in love through letters, promising to reunite in 2006. Years later they meet again without recognizing each other—until Wei Yi, now dying of cancer, realizes she is his childhood love and hides the truth to spare her pain.

After losing her voice in an accident, Shen Shen befriends Wei Yi in the hospital, and they fall in love through letters, promising to reunite in 2006. Years later they meet again without recognizing each other—until Wei Yi, now dying of cancer, realizes she is his childhood love and hides the truth to spare her pain.