Where to watch Keys to the Heart(2018)
Keys to the Heart isn't currently available on any streaming service in the United States.
Where to stream Keys to the Heart
Availability in United States
Keys to the Heart isn't currently available on any streaming service in the United States.
Data updated on October 11, 2026. Availability data from JustWatch.
Keys to the Heart plot summary
Off-tune brothers unite!
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.
Details
- Original title
- 그것만이 내 세상
- Release date
- January 17, 2018
- Runtime
- 2h
- Genres
- Drama, Comedy
- Directed by
- Choi Sung-hyun
- Country
- South Korea
- TMDB rating
- 8.0 / 10 · 49 votes
Keys to the Heart trailer
Cast
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
Park Ji-yeonYougn In-sook
Moon SookBok-ja
FAQ
Where can I watch Keys to the Heart?
Keys to the Heart isn't currently available on any streaming service in the United States.
How long is Keys to the Heart?
Keys to the Heart runs 2h (120 minutes).
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