约翰、苏珊、提提和罗杰终于得到爸爸妈妈的同意，可以驾着燕子号小船，前往梦寐以求的湖中荒岛冒险了！在一个完全陌生的地方独立生存下来真是不容易，先是要给船找一个安全的停靠点，还要自己生火做饭，搭帐篷，抵御暴雨……但是这都让燕…

Douglas, a broken, solitary, Spitfire Ace, must overcome his past to lead a Lancaster bomber crew in the pivotal aerial war over Berlin, in 1943.