The series "Picnic at Hanging Rock" is set in 1900 at an Australian girls' school, where three students suddenly disappear. This happens on Valentine's Day. The students, along with their teacher, gather for a festive picnic at a local landmark called Hanging Rock. However, the three of them never return to the school. Panic ensues in the area, and a sense of unease grows. The other girls and teachers can no longer feel safe...