Reza, residing in the wilderness with his wife and son, lives a retired life and devotes himself to freshwater fish farming. A private company that has targets on his land is ready to do anything to force him to sell.

Armand and Leila, students at Science Po, are a young couple. They plan to go to New York to do their internship at the United Nations. But when Mahmoud, Leila's big brother, returns from a long stay in Yemen, which radically transformed him, he is opposed to his sister's love relationship and decides to remove him at any cost from Armand. To enter Mahmoud and see again Leila, Armand has no choice: he must slip the integral veil! The next day, a certain Scheherazade with a veiled face rings at the door of Leila, and she will not leave Mahmoud indifferent ...

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.