Juan and Sonia arrive at a large old house, an ideal place to raise their newborn son. When, one night before going to bed, they check the operation of the monitoring device installed in the baby's room, they discover that someone is sitting next to the crib.
Mario and Clara, his pregnant girlfriend, try to find a new apartment to settle in as soon as possible, so they go to visit one in a distant neighborhood that seems abandoned. Once there, things are not as they expected.
Cubelles, Tarragona, Spain, Christmas 1985. Five friends make an unexpected discovery in the forest: a woman disguised as Santa Claus trapped in a deep hole dug in the middle of nowhere.
