Mr. Heart (2020) is a Romance film that follows cheerful runner Sang Ha loves sprinting, while Jin Won chases marathon glory. Paired as pacemaker, their rivalry sparks unexpected feelings. Currently, you can watch Mr. Heart on Rakuten Viki. Streaming availability may vary by country and platform over time. It has a user rating of 6.4 out of 10 from 4 votes. Fans of romance movies may also want to explore similar titles below.