Watchable 70's haunted house yarn opens with the caretaker to a huge old fashioned abandoned mansion being set ablaze (which proves to us the house is baaaadddd) before Richard Crenna and Joanna Pettet arrive to lease out the house in order to convert it into a drug rehab clinic.

Of course, this being a horror movie and all, they bring along some friends/co-workers to spend the weekend cleaning the place up only for Pettet to see spectral beings, lots of odd things begin happening by themselves and a evil force that's under a trap door in the cellar is set free (causing even more supernatural attacks).

While the set-up is nothing but standard and some of the mayhem gets a bit over-the-top at times this is a fairly entertaining time with some okay shocks (such as the one involving a dumbwaiter) and acceptable spookings despite a finale that's too silly (and has familiar genre face Victor Buono as, I assume, Satan) and almost drags it down to a ** rating.

There's certainly a lot worse "possessed house" movies out there.

Directed By: Gus Trikonis.
Written By: Donald G. Thompson.

Starring: Richard Crenna, Joanna Pettet, Andrew Prine, Cassie Yates.