Lourdes (Marta Milans), a beautiful young immigrant mother, takes a job working night shifts as a cleaning woman in an old New York City restaurant. She struggles to make enough money in order to pay for her sick son's operation back home in Mexico. Just as his condition takes a turn for the worse, malevolent forces inside the restaurant begin to torment Lourdes as they begin killing those around her. Lourdes struggles to return to her son before she's either driven completely mad or the malevolent forces devour her body and soul.