Cheng Mo couldn't hear sounds in his left ear, but he could read every unspoken lip language. Wen Xiaotang is the sound magician of the radio station, able to capture the smallest vibrations of sound waves. When two people become roommates, one builds a wall with silence and the other knocks on the window with his voice.
From secret training in chorus competitions to tactile messaging on rainy nights, they invented a way of communication that belongs only to each other. Cheng Mo collected every broadcast recording of Wen Xiaotang, and Wen Xiaotang learned sign language just to surprise him. But as the college entrance examination approaches, a diagnosis of worsening hearing and his father's tough intervention arrive at the same time. Cheng Mo must choose between his desire to "return to normal" and his selfish desire to "hear you clearly."
At the graduation ceremony, Wen Xiaotang said to his right ear: "I like you." Cheng Mo smiled: "Actually, I understood it a long time ago - from the first time you slowed down your mouth for me."
Intent: True communication does not lie in perfect hearing, but in a heart willing to listen.