A housekeeper from El Salvador brings her teenage son to help her clean an affluent family’s Los Angeles home. But after being told by her employers that immigration officers are searching for her, she accepts the invitation to shelter in their house until the crisis blows over. As days go by under the same roof, each family begins to question the other’s true intentions.

In a desperate attempt to protect her ten-year-old daughter, a young widow allows a nightmarish monster to slowly eat her alive.