10-year-old Mashenka lived a happy and carefree life in a loving family, where her mom and dad loved each other. Everything changed when her mother died prematurely and her father became consumed with work. Many years later, when Mashenka had grown up, her father found a new love interest. Deep down, Mashenka understands that for her father, this is a way to let go of the past and move on, but she can't bring herself to accept her stepmother. They constantly argue. Finally, Mashenka makes the decision to leave her father's house...