 During the Siege of <unk> in 52 BC , Centurion Lucius Vorenus of the 13th Legion commands his men as Gallic warriors fall on his line . In contrast to the Gauls ' chaotic charge , the Roman files fight with precision , until one drunk <unk> , Titus Pullo , breaks ranks and charges into the crowd of Gauls . Vorenus angrily orders him back into formation , but Pullo hits him . Later , the assembled soldiers watch as Pullo is <unk> and condemned to death for his <unk> conduct . The day after , <unk> , " King of the Gauls " , is brought before Julius Caesar and made to surrender , ending the eight @-@ year @-@ long Gallic Wars . Caesar 's niece , Atia of the <unk> , orders her son Octavian to deliver a horse she has purchased straight to Caesar in Gaul to ensure that he remembers them above all other well @-@ <unk> . Caesar himself receives news that his daughter , married to his friend <unk> <unk> Magnus with whom he shares power in Rome , has died in childbirth along with her stillborn daughter . A blood tie broken between them , Caesar orders a new wife be found for Pompey . 
