An ex-Vietnam vet is forced to become a hit-man and gets caught in the middle of a conspiracy.
In Augusta the emperor Caligula has a serious problem: he must demonstrate his manliness "coram populo" on the occasion of the feast of Priapus. But the Imperial young man is powerless and threatens a fool in front of the people who arrive in droves to watch the battle. To avoid this conflict, he goes to the professor Barnardus and attempts to hide out in his clinic.
De Luca is killed by Marchetti's chauffeur. Marchetti ordered the murder because he was to be accused by De Luca. The two have a car accident while going home to get an alibi. There is a witness, Sironi, who calls the police. But when the police arrive the car has gone and so have the two men. Inspector Santi and young judge Novelli look into the strange case. Marchetti, however, is a powerful man and Sironi and his family begin to be obsessed first by threats then by assaults.
Just out of prison, ex-con Ugo Piazza meets his former employer, a psychopathic gangster Rocco who enjoys sick violence and torture. Both the gangsters and the police believe Ugo has hidden $300,000 that should have gone to an American drug syndicate boss.
The town of Tombstone is overrun by Ramon, Pedro, Miguel, Ryan and Slide -- five outlaw brothers who are taken on by gunslinger Burt Collins and a deadly lawyer.
Arms trafficking with the Indians on the one hand and acquiring documents concerning the ownership of a goldmine on the other are the principal interests of Quin and Gomez, the highly suspicious guests at Papa Martinez' inn. The unexpected arrival of the sheriff Thomas, and the journalist, George, upsets the plans of the two unsavoury allies and they have to try every kind of trick to win out against such adversaries.
Wedding guests awaiting the arrival of the bride suddenly become nervous when they notice that the table has been laid for 13... an ominous number. Their worries are confirmed when the bridal carriage pulls up outside bearing the lifeless bride and the corpses of three other guests. The suspicions rise between the thirteen guests, and the identity of the murderer is a shocking surprise.
Django arrives in the town of Santa Anna at the behest of a man named Sanders who'd been trying to buy safe passage for his cargo from a Mexican bandit named El Santo. Django finds that Sanders has been killed and that his rival, a man named Thompson, is now trying to deal with El Santo. Django, after a brief involvement with a beautiful young widow named Linda -- who has information on a lost gold mine -- becomes entangled in this situation by agreeing to escort a shipment through El Santo's territory.
Marcus Valerius, a young consul, is assigned the mission to assist Menecrate, the leader of the Pretorian Guard, in the arrest and execution of as many Christians as possible. While raiding the Catacombs he has the surprise to find among the Christians the woman he loves, Giulia, who has been converted secretly to the banned religion. He helps her to escape and trouble soon follows. Stripped of his rank and arrested for defending the rebels he is condemned to fight as a gladiator...
Rome, under Commodus: intrigue, fight for power, gladiators, senators, Christians, Barbarians, slaves, Pretorians, battles, wrestles, swords and muscles in by-the-numbers Italian epic.
Florence, Italy, 1925, during the fascist dictatorship. In order to live near his girlfriend Bianca, young Mario moves to a humble street in the old city center, where he befriends Maciste and Ugo, two anti-fascists.