Argentina, 2001. The country is in the middle of a state of siege. Bruno leads a rural military patrol of five soldiers into the countryside. They come upon an old farmhouse and inside they find several corpses and two survivors. Unwittingly, they awaken a diabolical entity living in the forest that revives the dead in the house and will torment them all night long. They will have to resist until dawn, or become part of a bloody sacrifice made centuries ago.

A decade after a tragic ancestral ritual claimed her best friend's life, a young woman returns to her Argentinian mountain hometown, only to find the malevolent forces she thought she'd left behind are still hunting her.

Adrián and his lover meet at an old apartment downtown. The date takes a turn when he discovers neither of them scheduled it. A phone call then reveals they've been ambushed.

Franco, a young writer, embarks on a train journey to Casa Bamba, the town of his childhood. During his journey he will be reunited with memories of an old friendship and will seek to come to terms with the feelings he once had.

Detective Hernandez receives the case of a murdered man; to solve it, he must interrogate the only suspects, the three companions of the dead man, who shared the same umbrella during the stormy night of the crime.