澳大利亚摄影记者克莱尔（泰莉莎·帕尔墨 Teresa Palmer 饰）在柏林度假时邂逅了当地男子安迪（马克思·雷迈特 Max Riemelt 饰），一见钟情的两人共度春宵，激情过后意想不到的危险来临，克莱尔醒来时发现自己被安迪反锁在家中，而安迪似乎并不打算让她离开……
Two brothers embark on an adventure of a lifetime -a journey deep inside the WW2 tunnels of Gibraltar to find a lost treasure. Complications arise and what started off as an adventure will end up as a life or death situation to survive.
