Pietro is a revered teacher, Teresa his brilliant and precocious student. Their affair is both illicit and tempestuous. After one fight, Teresa suggests that each tell the other a secret, one so shameful or shocking that were it to be made public, it would destroy that person’s life. Time passes, Pietro’s stature as a writer grows and his family settles into the comfort of a bourgeois life. But he is haunted by the possibility that Teresa may one day reappear and tear apart his world with the secret she knows.

On a ferry travelling towards Lampedusa, we find a teenager on his first day of work as a gravedigger and a boy on his first mission as a diver. They do not know each other, but when they will set foot on the island, both their lives will change forever: one has to retrieve the bodies of drowned shipwreck victims, the other one has to bury them. A sort of dance between life and death, innocence and its loss.

Love blossoms between Teo and Emma, ​​two young people still finding their way in life. But Emma is afraid of commitment, and Teo has an idea and proposes a deal: their relationship will last exactly seven years. This way, from the beginning, they will both know when it's time to say goodbye, and Emma's fear of suffering will no longer exist.