![](https://image.tmdb.org/t/p/w342/9Ta5Lmh2u8NcIEVeGShyXyMEqkR.jpg)
Watch Keys to the Heart (2018) Online!
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.
Directing:
Writing:
Stars:
- Choi Sung-hyun
- Choi Seong-hyeon
Writing:
- Choi Sung-hyun
Stars:
Release Date: 2018-01-17
7.9/10
![themoviedb.org themoviedb icon](https://watch.letswaitandsee.com/assets/images/tmdb.png)
- Country: KR
- Language: 한국어/조선말
- Runtime: 120
In-sook
Ga-yool
Ms. Hong
Kim Jo-ha
Soo-jung
Dong-soo
Chief Kang
Soo-jung
Yougn In-sook
Bok-ja
Eun-ha
Sky Lounge Manager
Bok-ja's Guard
Tae-gu
Chief Kang
Bok-ja
Jin-tae
Dong-soo
Young Jo-ha
Eun-ha's Boyfriend
Big High School Student
Bok-ja's Guard
![](https://image.tmdb.org/t/p/w300/3dpOIKpInMSaKOUSmZdYF4YBdj0.jpg)
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