Joey King饰演一名年轻的王室成员，爱刀剑胜过王冠，她必须从无情的雇佣兵手中拯救王国。

　　Three Plebs join the army in peace-time, hoping to win respect, romance and military discounts at selected restaurants. But when war's declared they're sent to fight on the front line of a Roman legion for a cause they don't believe in. Now their main interest is the struggle for survival.