An error with the luggage system creates confusion at the airport. Trying to handle the issue, Do Kyung proposes that they use the luggage system in Terminal 2, which is not yet open. Meanwhile, Ji Sung asks Jae Moo to let him stay at the airport when Jae Moon tries to send Ji Sung abroad. Fortunately, Ji Sung manages to stay and starts tailing an expert note forger who enters Korea. At the same time, Do Kyung receives a call blackmailing her with a bomb in the airport.

仁川机场出现行李装不上飞机问题，关键时刻道京建议开放正在试运行的第二通道救急，问题得到解决，大家都松了一口气。河俊问道京在岛上过得怎样，道京笑着回答有很大进展。　　国情局也有新问题，专门印假钞的“斯洛维奇”正飞往仁川机场，为防止假钞流入韩国，国情局由志成负责展开行动。　　机场电脑系统遭黑客攻击，社长要求对内部进行调查。检查组查到河俊时，河俊很不配合，原来他私人电脑里全是道京的照片，令同事们哭笑不得，也让兰英伤心欲绝。　　一波未平一波又起，有人往机场放了炸弹，机场方面紧急出动，原来肇事者是受人别人支使故意捣乱，道京分析是有人要试试机场应变能力，寻找机场的破绽。　　国情院不但没有找到和斯洛维奇接头的人，还在眼皮底下被人将“斯”杀害，线索就此中断，局长和志成大为恼火。美颜在查IP时吃惊地发现，给“斯”发邮件的地址竟和攻击电脑系统的黑客地址一致。　　一切迹象表明，可能有更棘手的麻烦将要来临。