- HD 1080
- Runtime: 125m.
- Status: Released
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- Languages: ko
- Country: South Korea
- Director: Jung Ji-woo
- Stars: Choi Min-sik, Park Shin-hye, Ryu Jun-yeol, Lee Ha-nee, Lee Soo-kyung
- keywords: judge, investigation, trial, flashback, remake, prosecutor, conglomerate, scheme, secret
- Production_studio: CJ Entertainment, Yong Film
- Slogan: Must know what happened that day.
- The Heart Blackened is featured in the top rankings of 2017
- #52 in Top Crime Movies of 2017
- #48 in Top Thriller Movies of 2017
A father goes all out to clear his daughter from any wrong doing in the murder of his fiancée. When all evidence points to her, he takes matters into to his own hands to save his daughter and outwit the judiciary system.