影片讲述了二战时期伦敦的9岁男孩George（埃利奥特·赫弗南 饰）的史诗之旅，他的母亲Rita（西尔莎·罗南 饰）将他送到了安全的英国乡村。George不屈不挠，决心回到伦敦东部的Rita和外祖父Gerald（保罗·韦勒 饰）身边，于是他开始了一场冒险，却发现自己身处巨大的危险之中，而心烦意乱的Rita则在寻找她失踪的儿子。
A veteran CIA hitman that has been receiving orders via the classified ads section of newspapers, but now his long-lost daughter, a UK M16 analyst, tracks him down to reveal that his CIA boss has been dead for years.
