Älskarinnan

A young scientist goes to a Stockholm convention and ends up having an affair with a married man much older than she. The trouble begins when he refuses to throw over his wife for her. The distraught woman returns home and confesses the affair to her lover and then heads for Rome to take a new job. Just as she boards the train, she sees her older lover. He has decided to leave his wife for her and the two spend the night making love. (imdb)