羅雷娜·拉米瑞茲是墨西哥的塔拉烏馬拉族人，過著恬靜的鄉下生活，唯一不平凡的是她會穿上涼鞋，參加超級馬拉松比賽

Fleeing from their violent father, siblings Luci?a and Adria?n take refuge in a remote mansion. With the help of a hidden micro-camera on a cat, Luci?a uncovers a terrifying secret: their neighbors are part of a criminal network that kidnaps teenage girls to make snuff films, and they intend to get rid of the siblings. As Lucía fights to protect her brother, she must face a dark family curse that follows them into their newfound sanctuary.