The Day I Died: Unclosed Case

It is a movie about Se-jin who disappeared to the edge of a cliff with only one suicide note left, a detective who tracks events on the edge of life, and an unspoken witness who reached out to them. Kim Hyeon-soo is assigned to investigate the case, but due to bad weather, the body of Se-jin can not been found and the case remains open. Se-jin's death is simply dismissed as a suicide by local detectives. Hyeon-soo has to find the truth behind the suspicious disappearance of the teenage girl.

• Kim Hye-soo as Kim Hyeon-soo^[6]
• Lee Jung-eun as Suncheondaek^[7]
• Roh Jeong-eui as Se-jin^[8]
• Kim Sun-young^[9] Min-jeong
• Lee Sang-yeob as Hyeong-joon
• Moon Jeong-hee as Jeong-mi
• Shim So-young as Cheol-yi's mother
• Yoon Byung-hee
• Park Ji-hoon as Yong-jin
• Oh Se-young as Bakery shop clerk
• Kim Jung-young as Superior

Kim Hye-soo was confirmed to appear in June 2019.^[10] In August 2019, Lee Sang-yeop was cast in the film.^[11] The film was wrapped up in November, 2019.^[12] The distribution press conference was held on November 4, 2020, setting the way to release of the film.^[13]

The film was invited at 25th Bucheon International Fantastic Film Festival held in July, 2021 to compete in Bucheon Choice Features section.^[14] It was also invited at 23rd Seoul International Women's Film Festival in New Wave section and was screened on August 28, 2021.^[15]