The Dunwich Horror (1970)

Dr Henry Armitage an expert in the occult goes to the old Whateley manor in Dunwich looking for Nancy Wagner a student who went missing the previous night He is turned away by Wilbur the familys insidious heir who has plans for the young girl But Armitage wont be deterred Through conversations with the locals he soon unearths the Whateleys darkest secret as well as a great evil