Four women find themselves trapped for a night in a deserted sanitarium perched on a mountain. As darkness envelops the eerie building, each of the women succumbs to the sinister advances of a malevolent doctor. Their fears and vulnerabilities are exploited, revealing the depths of the doctor's twisted desires. As the night progresses, the line between sanity and madness blurs, leading to a chilling climax that tests their will to survive against overwhelming evil. This horror film weaves suspense and dread into an unsettling tale of entrapment and temptation.