A young woman named Pamela Franklin attends a peculiar boarding school for girls in Salem, Massachusetts, hoping to uncover the cause of her sister’s death. The atmosphere steadily grows more unsettling as events unfold. Jamie Smith-Jackson, Kate Jackson, and Cheryl Ladd portray students, while Jo Van Fleet takes on the role of the headmistress and Roy Thinnes appears as an art professor. "Satan's School for Girls…