The police try to arrest expert hostage negotiator Danny Roman, who insists he's being framed for his partner's murder in what he believes is an elaborate conspiracy. Thinking there's evidence in the Internal Affairs offices that might clear him, he takes everyone in the office hostage and demands that another well-known negotiator be brought in to handle the situation and secretly investigate the conspiracy.

Dr. David Marrow invites three distinct individuals to the eerie and isolated Hill House to be subjects for a sleep disorder study. The unfortunate guests discover that Marrow is far more interested in the sinister mansion itself — and they soon see the true nature of its horror.

In a desperate attempt to prove his innocence, a skilled police negotiator accused of corruption and murder takes hostages in a government office to gain the time he needs to find the truth.

A ski-shop owner reluctantly moves himself, his wife, and his daughter in to an estate as live-in help for an elderly widow. While struggling to balance his career and family life, he has recurring dreams about an angel.

A study in fear escalates into a heart-stopping nightmare for a professor and three subjects trapped in a mysterious mansion.