Protecting Dilecta, the daughter of Dion Splendidus, from Fastus he makes a friend out of Maximus Praeclarus, the young patrician officer who brought him to Castra Sanguinarius.
With help of Appius Applosus, a friend of Maximus they escape and lead a revolution against Sublatus with help of the slaves from the nearby villages and the Waziri, brought by Nkima.
Once Sublatus is defeated, Tarzan installs Dion Splendidus as Emperor and leaves for Castrum Mare to find Erich and support Cassius Hasta in ascending to the Throne.
In the meantime Erich von Harben and Mallius Lepus were taken prisoners due to the intrigues of Fulvus Fupus, with no idea of Gabula's whereabouts.
Just before the games start, Gabula suddenly appears and slays Sublatus in his imperial loge, and in the confusion Erich and Mallius escape and take refuge in a deserted house near the Colosseum.