Cheng Yu

In 1948, as China's civil war reaches a critical point and the Kuomintang's economy collapses, Communist agent Fang Meng'ao goes undercover as an Air Force colonel. Assigned to investigate corruption—led by his own father—and later to help transport national assets to Taiwan, he becomes entangled in a complex power struggle. Caught between duty, family, and political shifts, Fang plays a pivotal role in a covert mission tied to the peaceful liberation of Beijing.

Chang Zheng, the vice captain of the criminal police brigade, is investigating a shooting case in a suburban villa and locks up the suspect Zhao Pengxiang. The second child of the Zhao family, an inspector who didn't want to be involved in the death of Zhao Pengcheng, then becomes a wanted criminal. With the help of a secret investigation team dispatched by the Ministry of Public Security to investigate the truth, Chang Zheng not only faces confrontation with his relatives and loved ones, but also discovers his real identity. In the end, he discards his affection and chooses justice, and cooperates with the secret investigation team of the Ministry of Public Security to arrest the criminal.