The drama is adapted from a novel with the same name written by Tianjin writer Long Yi. The story happens in 1945 when the war against Japanese invaders is drawing to an end and the struggle among KMT, Communist Party, and Japanese intensifies. A spy named Li Haifeng in Military Statistic Bureau (MSB) of KMT submits to Nanjing Wang Jingwei puppet regime. Through Communist Party’s counterespionage, Yu Zecheng is reworking for MSB as a Communist secret agent. In order to assist Yu’s undercover activities, the Party sends out a shorttempered and big-mouth girl named Cuiping to be Yu’s fake wife. As time goes by, the struggle between KMT and Communist Party intensifies and this couple is also facing up with major challenges in their life.