From Julien Maury and Alexandre Bustillo, the filmmakers behind the acclaimed movie Inside, comes this riveting and fiendishly suspenseful horror-thriller. After nursing intern Lucie tells her boyfriend William that a comatose patient is rumored to have a trove of riches in her home, William convinces Lucie and his brother to stage a robbery on Halloween night. But once inside the eerie house - a former dance academy - the home invaders discover it hides demons from a violent past...and they have been unleashed.