The film 'The Devil Came to Stay' is a devil-possessed comedy that tells the story of 'Seonji' (played by Yoona), who turns into a devil every dawn, and 'Gilgu' (played by Ahn Bo-hyun), an unemployed young man who takes on the extraordinary part-time job of monitoring her.
The movie also stars Sung Dong-il and Joo Hyun-young and is set to be released on August 13th.