The film takes place in Sweden around the turn of the twentieth century. Fredrik Egerman is a middle-aged lawyer married to a 19-year-old beauty, Anne. Their two-year marriage is still unconsummated, due to Anne's reluctance. Fredrik has a son, Henrik, from his marriage to his late first wife. Henrik is in his early twenties and is studying to be a minister but is currently tormented by his love for his step-mother, who secretly loves him in return. Henrik is distracting himself from his urges by attempting an inconclusive affair with Fredrik's lusty young servant, Petra.