Films written by Choi Sung-hyun Known for Writing 4 credits in our catalog As director 1 films directed Keys to the Heart 2018 · ★ 8.0 As writer 3 writing credits The Negotiation 2018 · ★ 7.1 Keys to the Heart 2018 · ★ 8.0 The Fatal Encounter 2014 · ★ 7.2
