Unseen academic achievements and demonstrated responsibility allow the young high school student to receive a beautiful gift. Parents are convinced that the heiress deserves to enjoy independence after graduation. The family trusts the young beauty and encourages her desire to live independently, study, and advance in her career. Audra Buckleby is pleased with the gift, because she didn't expect such a grand surprise. The alumna hurries to show off her cozy cottage to her friends. A noisy bachelorette party quickly relaxes the guests, and conversations over champagne and pleasant memories absorb the attention of the companions. Left in a secluded spot for the night, the mates are unaware of the evil watchers. The intruders purposely keep their distance, trying not to give away their obvious presence in order to strike unexpectedly. The criminals are going to make the most of the effect of surprise, and their intimidating masks add to the adrenaline. Seeing goat heads nearby and knives and axes drawn over them, the frightened girlfriends hope to hear an intelligible explanation from the mistress, but she cannot understand who set up the cruel joke. The only thing that remains clear is that the poor girls need to hide from the vicious killers.