在这部穷凶极恶惊悚/恐怖片中,2010年4月4日，金塔尼利亚家族被发现在其乡村寓所遇害。警察证实有37小时的相关证据的存在，此片即是呈现了这些证据的真实画面，并呈现了克里斯蒂安.金塔尼利亚及其兄弟姐妹生命中的最后五天，及其所处的离奇而充满未解之谜的环境。
Cristian and his sister, July, travel from Madrid to El Garraf with their parents and their little brother to spend the Holy Week in their old vacation home. They learn the legend of Melinda, a girl wearing a red dress that got lost in the labyrinth near the house, who helps people that also get lost in the spot. Carlos, a visiting family friend, tells the siblings that there are different, more sinister versions of the legend. July and Cristian use two hand-held cameras to explore the labyrinth and investigate the mystery of Melinda, until something horrible happens.
