影片讲述朝鲜战争时期,八名韩国士兵秘密完成X-RAY情报计划和八尾岛作战计划,助推美国陆军上将麦克阿瑟指挥成功登陆仁川。American General Douglas MacArthur (Liam Neeson) sends eight members of the Korean Liaison Office, led by a South Korean Navy Lieutenant (Lee Jung-Jae) on a secret mission far behind North Korean lines to carry out Operation "X-ray". This covert operation must succeed so that MacArthur can launch the daring Incheon Landing Operation.This is a fictionalized version of the historical CIA/military intelligence operation "Trudy Jackson", part of Operation Chromite.