Plot synopsis: Sara and Óscar, a couple going through a marital crisis, decide to spend a week in a remote country cabin with their two children, Alicia and Tomás. The family tries to have a quiet time, but something strange happens there. There is a woman who prowls through the forest and cries uncontrollably looking for a baby she has just lost. This deeply affects the family who will have to stay together to survive this nightmare.