Suddenly at Midnight

Suddenly at Midnight Hangul RRGipeun bam, gapjagi also known as Suddenly in Dark Night is a 1981 South Korean horror film directed by Ko Youngnam.

Suddenly at Midnight was released in South Korea onJuly 1981, and received a total of 28,178 admissions.The movie and Ko Youngnam are referred to as a classic work and director of Korean horror film. In a review for Koreanfilm.org, Darcy Paquet cited Suddenly at Midnight as a rare example of 1970s80s Korean horror that was genuinely frightening, describing it as a mysterious psychological study... that beguiles the viewer right up to its bizarre closing image. He praised the films direction, saying, Ko has a good feel for how to create tension from precise editing and the patient accumulation of evocative details, and also credited actress Kim Youngae for a convincing performance as the panicked wife. ........

Source: Wikipedia