Clémentine, a teacher in a French School in Bucharest, lives with her husband, Lucas, in a remote real estate in Snagov. During the night, Clémentine is woken by weird noises outside their house, and Lucas sees their car being stolen. The lights are turned off, the phones are disconnected and they see that they are no longer alone. When weird lights appear outside, they hide in the cellar and try to ask for help from what could be a dreadful night of pure terror...