Keys to the Heart Streaming - Where to Watch Online

In the mood to watch 'Keys to the Heart' on your favorite screen? Tracking down a streaming service to buy, rent, download, or watch the Choi Sung-hyun-directed movie via subscription can be difficult, so we here at Moviefone want to do the heavy lifting.

Read on for a listing of streaming and cable services - including rental, purchase, and subscription alternatives - along with the availability of 'Keys to the Heart' on each platform when they are available. Now, before we get into the nitty-gritty of how you can watch 'Keys to the Heart' right now, here are some specifics about the CJ Entertainment, JK Film drama flick.

Keys to the Heart starring Lee Byung-hun, Youn Yuh-jung, Park Jeong-min, Han Ji-min has a Not Rated rating, a runtime of about 2 hr, and a scheduled release date of .

It received a user score of 80/100 on TMDb, which put together reviews from 44 top users.

Curious about the story behind it? Here's the plot: "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." .