Rome, under Commodus: intrigue, fight for power, gladiators, senators, Christians, Barbarians, slaves, Pretorians, battles, wrestles, swords and muscles in by-the-numbers Italian epic.
Historically, this is all over the place. It's a sort of "Decline and Fall..." (also 1964) meets "Quo Vadis" (1951) with the handsome, but really hammy, Lang Jeffries in the lead role of "Quintus" try...