Seven Years of Night is a 2018 South Korean action drama film directed by Choo Chang-min, starring Ryu Seung-ryong, Jang Dong-gun, Song Sae-byeok, and Go Kyung-pyo. The film is based on Jung Yoo-jung's novel of the same name. It was released on March 28, 2018.
Set against the haunting backdrop of a small lake town, this chilling thriller unravels a meticulous revenge set over 7 years, all beginning with the accidental death of an innocent girl.
Hyun-su(RYU Seung-ryong) is waiting to take the position of security manager of a dam located in the remote village of Seryung. On a foggy night, he gets lost on his way to check out the company residence that he and his family will soon move into. As he struggles to find his way through the thick fog, he runs over a girl who jumps out of nowhere. Panicked, Hyun-su makes the wrong decision and dumps the body in the lake.
The village is turned upside down by the child gone missing. When the girl’s body is found in the lake, Young-je(JANG Dong-gun), the girl’s abusive father and a major landlord in the village, is enraged and begins his search for the killer and plans an elaborate plot to take his revenge.