Agents Li Tang and Ding Meixi have been pretending to be lovers for 18 years. He is usually an ordinary taxi driver. In fact, he chooses their informant every day.
Ding Meixi (leading role) Actor: Tan Zhuo
Li Tang's nominal wife, Ding Meixi, is a teacher. She values money very much and has a contradictory relationship with her husband.
Duan Yingjiu (leading role) Actor: Yan
Duan Yingjiu, an investigator of the National Security Bureau, is good at observing, learning and training. She always sees information that others ignore, observes subtle changes, and has very thorough ideas. She has a deep feud with Zhao and Song.
Lin Biao (leading role) Actor: Li Ning
Lin Yao is a leading cadre with strong self-control. As a subordinate leader of Song Zhao and Ding Meixi, he has his own unique management style.