Walter, 48, after many years of absence, returns home but is tormented by memories and strange visions. In his mind echoes a haunting chant. A thriller on 'homophobia where the ghost of the past returns and upsets this.

Pio and Amedeo are inseparable friends, or at least they were until they graduated from high school, at which point each one was faced with the question: move up north or stay in the south?

January 6, 1980. President of the Sicily Piersanti Mattarella is going to Mass with his family when a young man approaches his car and shoots him in cold blood, killing him. The young Deputy Prosecutor on duty that day is Pietro Grasso, future General Anti-Mafia Prosecutor and President of the Italian Senate. His investigations are continued by Giovanni Falcone, who uncovers dangerous connections between the Mafia, the ruling Christian Democratic Party, neo-fascist terrorists, and secret services.