 A family man (married with teenaged son and daughter) suffers amnesia and can remember nothing of his life since university. He has no memory of his wife and children, but becomes obsessed with finding Jenny Bell, the girl he was engaged to as a student. When he finds her, he tries to resume their relationship but insists on learning why they broke up in the first place. She tells him that he left her for the woman who became his wife. He returns to his wife to try to rekindle their relationship.