Devils Stay (also known as Three Days) is a South Korean supernatural thriller film.

The film follows the story of Cha Seung-Do, whose daughter tragically passes away. As her funeral preparations begin, a malevolent entity awakens from her lifeless body.

Father Van, a Catholic priest, is called upon to perform an exorcism to rid the body of the demonic presence. The film delves into themes of grief, loss, and the battle between good and evil.