Germany, 1st century BC Recruit Guy Castul, after being drafted into the Eighteenth Legion, becomes the subject of ridicule by associates. The only friend he managed to find, he foolishly betrayed, and made an enemy. Will Kastul be able to earn the respect of his comrades-in-arms by going through the fire of battles with wild Germanic tribes and regain the trust of the one who could become his brother? Will Kastul be able to survive, because the Roman emperor is sending a legion to conquer Germanic lands?