Behind South Korean Horror Film
Behind, also known by its alternative title Day of Death and its Korean title 4 Yo-il (4요일), is a South Korean horror film directed by Min-yeong Seo. The movie was released on December 11, 2008.

Plot
The narrative follows eleven individuals who gather inside an abandoned school with the assistance of a suicide coordinator to end their lives. However, the situation escalates into terror when participants begin getting murdered unexpectedly, turning their planned suicide night into a fight for survival.

Cast
The cast features several notable South Korean actors:
- Jeong Woon-Taek
- Lim Yeo-Won
- Lee Jae-Yong
- Park Yong-Yeon
- Yoon Seo-Hyun
- Lee Won-Jae
- Hong Yeo-Jin








