Life of a small town in Siberian taiga (Chulimsk) revolves around a small cafe, where a young girl Valentina works as a bartender. Valentine is in love with the local detective Shamanov, ineffable, strict yet charming man, who recently arrived to Chulimsk. Despite a loving relationship with the chemist's Shamanova Zina and his mature age, Valentine finds the courage to confess her love to Shamanov...