In a small Italian town, a close-knit, happy family enjoy the straightforward pleasures of life. Giovanni and Paola are supportive, but not intrusive, parents to their teenage children Irene and Andrea. the long list of neurosis that Giovanni hears in his work as a psychoanalyst is in sharp contrast to the calmness of his own existence. One Sunday morning, Giovanni receives an urgent call from a patient. He cannot go running with his son, as he had promised. Instead, Andrea goes diving with friends. It is a small decision that will change everything.