The Beyond (1981)

Storyline:

The Beyond (1981) The cellar of an old hotel is built on top of the door to the beyond. Bloody zombies roam there. A young woman who is heir of the hotel wants to restaurate it. She is confronted with strange events. A painter has a lethal fall, the plumber vanishes and her friend breaks his neck. When she escapes to the hospital of a friendly doctor she doesn't know what a nightmare is waiting there...