双警探被迫重启六年前未结悬案，在史前人类洞穴的献祭仪式与现代财阀的石油黑幕间，与重出江湖的连环杀手展开「文明进化论」式生死博弈——当少女尸骸上的尼安德特人齿痕，指向一场跨越万年的道德崩坏

The film tells the story of how, in post-war Spain, Narcisa (played by Aria Bedmar), a novice with supernatural powers, arrives at a former convent, now a school for girls, to become a teacher. As the days go by, the strange events and increasingly disturbing situations that torment her will eventually lead her to uncover the terrible web of secrets that surround the convent an...