Corrado Cattani tries to reassure his daughter, whose stability was rocked after her Mafia kidnapping.

Cattani goes to prison for a murder he didn't commit.

After being accepted by his new Mafia friends, Cattani is recruited to a cultural association researching the ancestral traditions of Italy.

Cattani implements his plan to expose 'respectable' people secretly linked to the Mafia.

Cattani's victory leaves him without friends in Rome.

In a position for revenge against the politicians and Mafia criminals who ruined his life, Cattani takes action.