Diplomat Kuroda and The Map Otaku Woman Detective Challenge a Mysterious Cross-border Case

日本国外務省の外交官、黒田康作（織田裕二）は、上司の安藤庸介（鹿賀丈史）から邦人保護の密命を受け、世界各地を転々としている。南米で発生した日本人の誘拐事件を解決した黒田が、次に向かったのはサンフランシスコ。目的はＷＴＯ農業交渉会議で現地を訪れる外務副大臣、観上祥子（草刈民代）の警護だ。

Kosaku Kuroda (Yuji Oda), a diplomat at the Japanese Ministry of Foreign Affairs, travels the world on a secret mission from his superior, Yosuke Ando (Takeshi Kaga), to protect Japanese citizens. After resolving a kidnapping case in South America, Kuroda heads to San Francisco. His objective is to guard Vice Minister of Foreign Affairs, Shoko Kanjo (Tamiyo Kusakari), who is visiting the city for the WTO agricultural negotiations conference.