Heart Blackened

A devoted father's quest for justice becomes a battle against the system when his fiancée is murdered and their daughter is framed for the crime. Choi Min-sik stars as Im Tae-san, who takes matters into his own hands to clear his daughter's name, working alongside Park Shin-hye as Choi Hee-jung, a young lawyer determined to prove her innocence. As the investigation unfolds, unexpected twists reveal new leads and potential suspects, including Ryu Jun-yeol as Kim Dong-myung, a fan of the murdered singer with crucial footage that could crack the case.