Emma takes a job as a caregiver for a senile old woman. Strange things start happening in the house. What Emma doesn't know is that the house hides a terrifying secret.

A group of seemingly unconnected people find themselves trapped in Buenos Aires. While trying to solve the mystery, a young woman realizes that, due to her family's actions, she may be the next victim.

Returning to his homeland after years of absence, a man tries to reconcile with his sister and settle an outstanding debt, while dealing with a tormenting past that refuses to go away.