After the death of the paranoid emperor Tiberius, Caligula, his heir, seizes power and plunges the empire into a bloody spiral of madness and depravity.
In 1943 Italy is crumbling. Salvo D'Acquisto, a Carabinieri officer is trying to maintain law and order. One tragic incident will unravel a chain of events leading to him having to stand between the Germans and people he swore to protect.
An Italo-American singer and as he arrives at the airport he is accused of being a draft dodger and is drafted. He soon begins a love story with his commander's daughter.