Shim Eun-woo

Ji Sun Woo is an associate director of a family clinic with a perfect life—a great career, married to a handsome, young-looking man, mother to an adoring son, and surrounded by seemingly caring friends. She couldn't be more content. Lee Tae Oh, her husband, is an aspiring movie director. However, when his temptation leads him to betray Sun Woo along with the people around her, she gets driven to revenge. The perilous twists-and-turns of a married couple's life unfolds.

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?