Carpenter Sergio runs away and hides in a closet after his boss fired him. When the closet arrives at its buyer's house, he decides to stay there, hiding in his new home living with an unknown family.

Rosa gives birth to a child who, by circumstances of life, is given for adoption to a wealthy family who lost theirs during childbirth. Soon, Rosa will be working for the new family of his son and, so, without anyone knowing, will give him all her love.

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 picture-perfect family is torn apart after Tyler finds a cache of disturbing images in his father's possession. He begins to suspect that the man he trusts most in the world may be responsible for the murder of 13 women ten years prior.