At dusk on March 19, 1942, Allied aircraft landed at Yangon Airport only to find that the Japanese military had taken over the territory. The aircraft attempts to flee, but on the next day, the higher-ups receive news that the aircraft has been shot down and the passenger has gone missing. They issue a rescue mission by reactivating Wumu Yilang into service. He is an underground spy who lives under the guise of a Japanese name and has been inactive for five years. Ye Bi Ying is sent to assist Wumu Yilang, which begins a cooperation between the two.(Source: ChineseDrama.info)~~ Majority of the drama is based on real historical events and people during World War II. ~~ Co-production with the U.S.A.