Ten years back wife Golubevy checked feelings for durability, changing bodies. Now they are a dad Andrey and mother Marina. Twins, Gleb and Sveta, grow in their family. Life of the married couples is put right, a career is dizzy, and a day is painted on a clock. They already remember badly, that children love living dogs anymore, what artificial, and that friends of parents are the not best company in the day of birth. They forgot that love and attention more expensive of money. To return everything into the places, it is needed again to change all placed - doctor Kogan will decide and will visit the old friends.