In the nighttime raid, over 300 police officers attacked activists and journalists, seriously injuring 61 and putting one in a coma.

The film focuses on the storming of the Diaz school in Genoa by the police after the 2001 G8 summit.

Finally Max, first assistant chief of police mobile squad of Rome: in the morning on 21 July 2001, he decided not to order a charge against the Black Block, to avoid the involvement of so many peaceful demonstrators.

[2] Many of the characters are based (in some cases maintaining the initials) to people actually inside of Diaz on the day of the blitz: the cop played by Claudio Santamaria (Max Flamini) is Michelangelo Fournier, head of the VII nucleus of the experimental mobile squad of Rome.

[3][4] UK Indymedia journalist being beaten on the street in front of Diaz is Mark Covell, who had a punctured lung and went into a coma.