His wife leaves a young father, leaving him a dumb disabled child. On New Year's Eve, the young dad and his son go to visit friends in their dacha, but they confuse the address and decide to stay in an empty house. After a while, the father meets a woman, the mistress of this house, who soon becomes his wife, and his son finds - a mother. The son grows up and thanks to the great love of his mother-in-law, he begins to speak.