Recently, Polina and Sergey are doing well both with work and with relationships. At first glance, they have a strong family... Their daughter, Liza, is growing up, and she was transferred to a private lyceum. And one fine winter morning, Polina discovers that she is pregnant. Absolutely happy Polina and Sergey come with their friends, Vera and Denis, to the slope - they have been fond of skiing since school. Polina doesn't even suspect how quickly her family happiness will end. One awkward move, one fall.