On a country road, Irina hits a dog and brings it to her owner Mikhail. His eight-year-old son Dima, who has been silent for a year due to psychological trauma, mistakes Irina for his dead mother. It's time for Irina to leave, but Dima starts to have a fit, and Mikhail, fearing that he will become silent again, forcibly holds Irina. She becomes a prisoner in their house...
