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Cover of Keys to the Heart
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Keys to the Heart

2018Age guide: 12+

Where to watch

  • JapanAmazon Prime Video · Hulu · U-NEXT
  • RussiaOkko
  • South KoreaNetflix · Watcha · TVING
2 more countries
  • Hong KongRent or buy
  • TaiwanRent or buy

Checked 11 Nov 2026 · Data: JustWatch

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An older brother is a washed-up boxer. His younger brother is a genius pianist with physical disability. The brothers make up through their mother who is full of stories of her past.

★ 8/10 · 51 TMDB audience ratings

Starring

  • Lee Byung-hunKim Jo-ha
  • Youn Yuh-jungIn-sook
  • Park Jeong-minJin-tae
  • Han Ji-minGa-yool
  • Kim Sung-ryungMs. Hong
  • Choi RiSoo-jung
  • Bek Hyun-jinDong-soo
  • Hwang Seok-jeongChief Kang

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