This book tells the story of: After the end of the Anti-Japanese War, the top leaders of the Kuomintang Military Intelligence secretly implemented an infiltration plan code-named "Iris". The Kuomintang genius intelligence officer Feng Chen was ordered to infiltrate the Shanghai underground party in the guise of Qin Jingtian, trying to find the Communist Party agent "Ming Yue" who had been lurking in the Military Intelligence for a long time. At the same time, "Ming Yue" Gu Hesheng also learned about the "Iris" operation and wanted to identify Feng Chen's identity. By chance, the two lived under the same roof. Since then, the two top agents have been lurking in their respective hostile camps. In order to identify each other's identity, they started a thrilling life-and-death duel.
本书讲述了：抗日战争结束后，国民党军统高层秘密实施代号为“鸢尾花”的渗透计划，国民党天才情报人员凤宸奉命化身秦景天潜入上海地下党内部，试图找出长期潜伏于军统之中的共产党特工“明月”。与此同时，“明月”顾鹤笙也获悉了“鸢尾花”行动，想要甄别出凤宸的身份。机缘巧合，二人住在了同一个屋檐下。自此，两名顶级特工，分别潜伏在各自的敌对阵营，为了甄别出对方的身份，开启了一场惊心动魄的生死对决。
本书讲述了：抗日战争结束后，国民党军统高层秘密实施代号为“鸢尾花”的渗透计划，国民党天才情报人员凤宸奉命化身秦景天潜入上海地下党内部，试图找出长期潜伏于军统之中的共产党特工“明月”。与此同时，“明月”顾鹤笙也获悉了“鸢尾花”行动，想要甄别出凤宸的身份。机缘巧合，二人住在了同一个屋檐下。自此，两名顶级特工，分别潜伏在各自的敌对阵营，为了甄别出对方的身份，开启了一场惊心动魄的生死对决。
