1934年，私家侦探米兰达·格林调查英国驻开罗大使馆发生的一起谋杀案，而谋杀案中一份绝密文件的被盗，将危及白金汉宫，震惊世界。
The film penned by novelist Michael M.B. Galvin — who has previously adapted his own works Fat Kid Rules the World and Freak Talks About Sex for the big screen — follows siblings Megan (Wood) and Nathan (Gad), who are barely hanging on in present-day America, like all of us. Their lives are completely upended when they discover a dead body, long buried in their parent’s basemen...
台北的漫画作者杨纯纯（应采儿 饰）在爱情的道路上频频遇人不淑，而她作品的销路也日渐下滑。杨父要纯纯陪他回大陆看看长城，却被女儿拒绝，谁料杨父独自前往嘉峪关时急病去世，杨父在弥留之际拜托纯纯找到自己当年在大陆的初恋秀倩，纯纯怀疑父亲曾经在大陆结婚，做出了对不起母亲的事情，决定返回老家一查究竟。此时杨父生前在火车上结识的私家侦探方明迪（佟大为 饰）受杨母委托，为纯纯担任向导，性格不甚合拍的二人一见面即唇枪舌剑，但碍于现实情况又不得不同行。在杨父位于雁门关下的老家，二人查知秀倩远嫁银川，他们为寻找杨父曾经的爱情继续前行，而一场新的爱情，又于他们之间发生……
