Keys to the Heart poster

Movie

Keys to the Heart

“Off-tune brothers unite!”

2018 8.0 120 min Drama Comedy

Overview

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.

Available movie listing Catalogue updated 16 August 2026

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iBOX TV currently lists Keys to the Heart. This catalogue entry was updated on 16 August 2026 and continues through the matching Telegram result.

Status: Released
First released: 2018
Runtime: 120 minutes
Original language: KO

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Official trailer

People

Featured cast

Lee Byung-hun

Lee Byung-hun

Kim Jo-ha

Youn Yuh-jung

Youn Yuh-jung

In-sook

Park Jeong-min

Park Jeong-min

Jin-tae

Han Ji-min

Han Ji-min

Ga-yool

Kim Sung-ryung

Kim Sung-ryung

Ms. Hong

Choi Ri

Choi Ri

Soo-jung

Bek Hyun-jin

Bek Hyun-jin

Dong-soo

Hwang Seok-jeong

Hwang Seok-jeong

Chief Kang

Park Ji-yeon

Park Ji-yeon

Yougn In-sook

Moon Sook

Moon Sook

Bok-ja

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