Something strange is going on at the mansion – or so Diego thinks.

Diego wants to break through as a writer. But first, he has to find inspiration for his novel. There is no love lost between him and his pretentious wife, but when she books them a lush writers' retreat in the Alps, he thinks he's finally found his chance. But something seems wrong with the place from the moment Diego sets foot in it. The huge mansion is run by just one man, and strange facts pop up at every step. As he moves forward with his novel, a horrifying truth unravels in front of Diego's eyes, unnoticed by the other guests. But can we trust what Diego sees?