In a remote country house, "The Oaks", where a gruesome murder spree once took place, mystery writer Cornelia Van Gorder has taken up residence. Unbeknownst to her, the house's owner, bank president John Fleming, had stashed one million dollars in securities there, only to be brutally murdered before he could recover the loot.
The Bat
A deranged murderer, dubbed "The Bat," terrorizes a mansion hosting a group of unsuspecting individuals.