A bigamist with one family in Buenos Aires and the other in Mar del Plata sees his life turned upside down when his wives discover what he has hidden from them for so many years and unite to take revenge.

After her father's suicide, Sami returns to her childhood home to reunite with her family. At night, she begins to suffer episodes of sleep paralysis, blurring the line between reality and nightmare, and is visited by a presence seemingly tied to what happened. What Sami ultimately uncovers will force them to confront a truth far more disturbing than her father's death.