Liberate mio figlio (1993)

Lorenzo Fabbri is a guy who is kidnapped and imprisoned in a cave of Aspromonte. After trying every way to achieve liberation of his son, the mother Elena decides to give life to a desperate protest: enchains on the square in a Calabrian village putting up a sign saying "Free My Son." A dramatic challenge of citizens and the impotence of the police.

Unfortunately the movie Liberate mio figlio is not yet available on HBO Max.