August 1944. A team of British soldiers led by a US Captain are dropped behind enemy lines in France on a mission that could shorten the war. As nothing goes according to plan, commando Sergeant Harry McBain and Captain Gabriel Jackson know they must put aside personal animosity if the mission is to succeed. Inspired by true events, Allies tells the story of friendship and survival. 1944年8月，诺曼底登陆两个月后,盟军向法国纵深推进。一支由英国士兵和美国士兵组成的突击队，由军士哈里·麦克贝恩和队长加布里埃尔·杰克逊带领下，空降至敌后执行侦查任务，到敌后伏击德国军官绘制德军前沿阵地火炮位置分布图，他们必须抛开个人的恩怨、齐心协力完成此次的侦查任务。
