1900年的情人节,沿用英式教育的澳洲亚普利亚德女子学院组织了一次目的地为海茵悬岩的郊游。孤儿萨拉却因拖延学费而无法同行,只能目送好友米兰达和同学们在迈克劳小姐的带领下出发。抵达目的地后,米兰达等四人离队攀岩,被同在悬岩下郊游的迈克尔和仆役埃尔伯特发现,迈克尔对米兰达一见钟情,尾随了上去。 当天晚上,校长收到迈克劳与米兰达等四人失踪的报告。警方马上介入调查,校长为学院名声紧张不已,而萨拉因为失去了米兰达茶饭不思。迈克尔与埃尔伯特攀岩搜索找回了一名女学生,但米兰达仍然下落不明,萨拉在绝望中被校长赶回孤儿院,她选择了自杀……本片根据琼•莱斯利的同名小说改编,获1977年英国电影学院奖最佳摄影奖。Three students and a school teacher disappear on an excursion to Hanging Rock, in Victoria, on Valentine's Day, 1900. Widely (and incorrectly) regarded as being based on a true story, the movie follows those that disappeared, and those that stayed behind, but it delights in the asking of questions, not the answering of them.