Logical Pictures

While diving in a remote French lake, a couple of YouTubers who specialise in underwater exploration videos discover a house submerged in the deep waters. What was initially a unique finding soon turns into a nightmare when they discover that the house was the scene of atrocious crimes. Trapped, with their oxygen reserves falling dangerously, they realise the worst is yet to come: they are not alone in the house.

A mother of two inherits a home from her aunt. On the first night in the new home she is confronted with murderous intruders and fights for her daughters’ lives. Sixteen years later the daughters reunite at the house, and that is when things get strange...