A prominent scientist, Academician Sretenski is leading a steady, measured life; he is reconciled to his joys and sorrows, selflessly loving his granddaughter whom his daughter long ago abandoned for him to bring up... Unexpectedly, the “prodigal” daughter returns with yet another husband; his granddaughter Nina is going through her first personal drama, while his young colleague is trying to convince him to revert to his long-forgotten research... Source : www.lenfilm.ru