Forgotten (2017 South Korean Film)
Forgotten (Korean: 기억의 밤; RR: Gieokui Bam) is a 2017 South Korean mystery-thriller film written and directed by Jang Hang-jun. The film, which explores themes of memory, identity, and psychological tension, was released in South Korea on November 29, 2017.

Plot
The story follows Jin-seok (Kang Ha-neul), a young man suffering from hypersensitivity who moves into a new home with his older brother, Yoo-seok (Kim Moo-yul), and their parents. Jin-seok relies on medication to maintain a semblance of normalcy in his daily life. The family's stability is shattered when Jin-seok witnesses his brother being abducted by a group of men on a rainy night.
After 19 days of unexplained absence, Yoo-seok returns home with no memory of his disappearance. While his family welcomes him back, Jin-seok begins to notice subtle, unsettling changes in his brother's personality and behavior. His suspicions grow as he hears strange noises emanating from a locked room in the house, which was supposedly used to store the belongings of the previous owner.

Production
The film was written and directed by Jang Hang-jun. Principal photography for the project commenced on March 11, 2017, and concluded on June 8, 2017. The film was distributed by Megabox Plus M.

Cast
The film features the following primary cast members:
- Kang Ha-neul as Jin-seok
- Kim Moo-yul as Yoo-seok
- Moon Sung-geun as Father
- Na Young-hee as Mother

