Vacation with a Gangster (1952)

Five kids, schoolmates, Gianni, Andrea, Mario, Ugo and Nino, playing with each other, break a papier-mâché horseback, inside which is a note written by a lifer, in his opinion unjustly imprisoned, which appeals to anyone who reads the message to make it escape from imprisonment, taken for granted in the castle of Monteforte, used as a prison for years.