Night World (R)

Robert Bloch, the creator of Psycho, takes you into the inner recesses of the mind of a madman. A man bent on revenge that comes out of the night, grabbing its victims by the throat and giving no quarter. — From the moment Karen Raymond entered the sanatorium, she knew something was terribly wrong. The doctors had been brutally murdered, the patients had escaped.
Was she to be the killers next victim?