The Closed Ward

Here are seven people who woke up from an old closed ward. They are tied to the bed and a small box falls for an autopsy bed when the number of clocks reaches 00:00. Why are they trapped here and what will happen to them?

Cast: Park Ha-na, Kim Young-min, Kim Seo-ra, Kang Pil-sun, Sim Eun-woo, Han Min-chae