故事讲述了一对几乎要离婚的夫妇在徒步穿越哥伦比亚的雨林时被困在流沙中。他们将与丛林中的各种因素作斗争，并必须一起工作。.

In their last attempt to save their marriage, Sara and Óscar decide to take a short vacation in a cabin in the woods with their two children. But upon arrival, strange events corrode the tense atmosphere between them a woman prowls the house predicting events that defy nature, which break the family from within as they confront unresolved problems from their past.