Caveat.

In desperate need of money, Isaac accepts a job looking after his landlord’s niece, Olga, for a few days. But there is a catch. He must wear a leather harness and chain that restricts his movements to certain rooms in order to protect Olga’s extremely frail mental state. Once left alone with Isaac, Olga exhibits erratic behavior while Isaac makes horrific discoveries in the house that trigger a deeply buried, traumatic memory.