Lead cast: Song Kang, Lee Jun-young, Jang Gyu-ri Latest Nielsen rating: 5.94 per cent After two years of military service, Song Kang returns to the screen as a brooding musical prodigy in Four Hands, Two Sonatas. Joining him at the piano is the highly prolific Lee Jun-young, setting the stage for a classical music drama that pits two brilliant but opposing talents against each other. Kang Pi-o (Song) and Choi Jeong-yo (Lee) are gifted pianists from opposite sides of the tracks who are forced to...