Queens of Evil (1970)

Plot

After a young hippie finds himself embroiled in a murder, he escapes to a secluded lakeside home inhabited by three alluring sisters. Initially drawn to their beauty and charm, he soon senses an unsettling atmosphere and uncovers their sinister secrets. As the sisters' true nature is revealed, the hippie becomes entangled in a web of danger that threatens his life. What began as a refuge quickly turns into a chilling struggle for survival against forces far more malevolent than he ever anticipated.