Song Kang is starring in the drama 'Four Hands, Two Sonatas' alongside Lee Jun Young and Jang Gyuri, portraying complex relationships and emotional storylines centered around a long-standing mystery involving a kidnapping. The series has generated significant buzz, highlighted by behind-the-scenes footage, intense filming scenes, and the actors' performances, including Lee Jun Young's piano showcase in the teaser. The drama explores themes of friendship, rivalry, and reunion, with Song Kang's character tracking down his missing friend nine years after his disappearance.