Theorem

Staying with them at their Milan estate, a young, enigmatic man has a profound effect individually on the diverse members of a bourgeois family: the industrialist father Paolo, his wife Lucia, their two young adult offspring Odetta and Pietro, and their housekeeper Emilia. When the young man leaves as unexpectedly as he came, the five will have to deal with their individual lives in light of his absence from it, each who has a different coping mechanism depending on the issue with with he helped them.