The plot is based on the eponymous Russian folk tale. Girl Masha went into the woods for mushrooms and got lost. Wandering through the woods, she finds the cabin where the Bear lives. Bear left at the girl that she was his hostess: "Cakes to bake it, here and there to clean". Masha asks him to take her home to her grandfather and grandmother, but the Bear does not let her go. Then she decides to escape from the cunning Bear. At the end of the cartoon Masha and the Bear became friends, Masha promises to teach literacy Bear, and the Bear - on holidays to go on a visit.