Four Hands, Two Sonatas (2026 Korean Drama) - Season 1 - Episode 1

Completing the trio is Hong Jae‑in (Jang Gyu‑ri), a viola major with exceptionally sensitive hearing who has admired Bi‑o’s music since childhood and becomes his devoted supporter. Spanning a 10‑year arc from their competitive high‑school days at age 17 into their late 20s, the series follows the three as intense rivalry evolves into connection, and they grow into accomplished adult classical musicians while navigating family expectations, ambition, and their own paths.