Ideas that go against tradition aquatic monsters, ghost pirates, are few and far in between.
A young and modern couple who go to France to explore an underwater house and share their findings on social media undergoes a serious change of plans when the couple enters the interior of a strange house located at the bottom of a lake and their presence awakens a dark spirit that haunts the house.
I also got a little bit of Blair Witch in watching this, too.
A local, Pierre, offers to take them to an isolated branch of the lake in the forest of Chanteloup, an area which was artificially submerged in 1984 to prevent frequently recurring, devastating floods.