Answer
Released in 1975, "Picnic at Hanging Rock" is a captivating Australian mystery film that has intrigued audiences for decades. Set in 1900, the film follows a group of schoolgirls on a Valentine's Day picnic at the enigmatic Hanging Rock. When several of the girls vanish without a trace, the incident sparks a series of investigations and theories, leaving the true fate of the missing girls shrouded in mystery.