In this chilling adaption of H.P. Lovecraft's The Case Of Charles Dexter Ward, Charles Dexter Ward (Vincent Price) travels with his wife Ann (Debra Paget) to Arkham to inspect a mansion he has inherited. The original lord of the manor was his Great Grandfather Joseph Curwen a disciple of the devil who placed a hideous curse on the villages as they burned him at the stake. Slowly Ward feels the spirit of his ancestor possessing him and seeking a desperate vengeance on the descedants of those who previously thwarted his plans. Accursed mutants...evil possession...will anyone escape The Haunted Palace?