Watch Movies2Watch. 'The Language of Love’ is one of the two movie projects starring the boy band group, Supernova as the leads. In-Ha (Jin Se-Yun) used to be a popular singer. She is now blind and has closed her to mind to the world. Tae-Oh (Sung-Mo) is mute. He works tuning pianos. In-Ha takes a walk every morning. Tae-Oh (Sung-Mo) plays a piano for her when when she passes by.