If this one-shot approaches imposes a strict unity of time and place on Hernandez's film, nonetheless the story will prove to be no more straight than the house is silent.

The whole film is one gigantic trick, a piece of celluloid slight of hand that infuriatingly doesn't hold water.

A remarkable exercise in atmosphere and suspense.

Florencia Colucci is superb, easily shouldering the film. Also impressive is some genuine creepiness courtesy of clever lighting.