Laura, a young nurse from a rural town, is hired to care for Amalia, an elderly woman who suffers from memory loss. One day, Laura makes a mistake with the medication and Amalia begins to remember things. Laura suspects the amnesia might not be a result of age. As she investigates, she starts to experience frightening events she cannot explain.

A woman wakes up injured in a basement surrounded by corpses. To survive, she pretends to be dead while a grotesque ritual unfolds in the house above.