On the night before his retirement, police lieutenant Franco Amore is called to investigate the death of a long-time partner of his in a diamond heist in which he was involved.
A world-weary, widowed police inspector has to break his vow of self-isolation and get back on the field after his teen daughter is arrested for the possession of a gun tied to a much-publicized murder.
In the suburbs of Rome two very different souls intersect. One is the son of a restaurant owner who disappeared with his lover. The other is a young mysterious woman who has arrived from China in search of her missing sister.