Exchange the Wedding Rings

Mom, dad, grandmother and brother of Arina live together and have fun. Unexpectedly for everyone, the father announces that he is leaving for a young mistress, as a result of a divorce, the family is left without housing and without a livelihood. In order not to answer the intrusive questions of acquaintances, Arina and her mother decide to move to Moscow, rent an apartment, find a job and live happily. But in reality the situation is not developing as rosy as it would like.