Hell Night (1981) Linda Blair and buddies must hang out in a supposedly abandoned mansion as part of pledge week. Spoiler: it's not abandoned. Slashing and plot holes ensue. TIL: The Church frowns on any hazing designed to hurt, humiliate, or otherwise harm human dignity.
Your daily dose of culture courtesy of Count Dracula's Great Love (1973) - "It is difficult to free fools from the chains they revere." - Voltaire