In A.D. 119 the Ninth Roman Legion marched north into the wilds of Britain beyond Agricola’s Wall and disappeared without a trace. Fifteen years later, Marcus Flavius Aquila, the son of the unit’s commander, embarks on a quest to recover the lost eagle standard of the Ninth, symbol of a legion’s—and his family’s—honor.


公元119年，羅馬第九軍團向北推進阿格里克拉牆以北的不列顛荒野，隨即神祕消失了。十五年後，該軍團長官的兒子，馬庫斯‧弗拉菲‧烏亞居拉，開始尋找軍團與家族的榮耀象徵，也就是隨第九軍團消失的權杖。