Luca, a 5-year-old boy, is rushed to the hospital to say goodbye to his grandfather on his deathbed. During the trip, Luca wonders how adults always hide things from children like him, since his grandfather didn't use such tricks and always told him the truth. At the hospital, Luca asks him about death and where people go after it. There, for the first and last time, his grandfather would tell him the saddest and most beautiful of all lies. The biggest secret Luca had ever heard in his life, kept under lock and key. Until now...
