A remote and lonely hotel holds a dark secret. La Patasola, a vengeful being marked by the loss of her son and her leg, seeks to punish the unfaithful. Rodrigo, an investigator, and Susana, his young lover, arrive at the hotel under the pretext of investigating an unsolved disappearance, but they will soon discover that they are locked in a deadly trap. La Patasola, thirsty for revenge, will unleash all her fury against the infidels and make them pay the price for their deceit, transforming their visit into a nightmare with no escape.