St. Petersburg, early twentieth century. He is a Danish engineer, she is the daughter of a minister. Very soon Bolshevik bullets will whistle over the heads of the lovers, but their tender feeling will withstand the fire of explosions. And when Valentina sees a red scarf in the appointed place, warning of the beginning of an uprising, she will choose her path: away from burning Russia for the sake of saving her love and baby daughter, born in these troubled times...