Yan Poyue, a high school student who comes from a family of soldiers. He forgoes the university entrance examinations and joins the armed police force in order to prove his worth to his father.

In Hua'ao City, a brilliant detective with a flawless track record faces his toughest case yet when a string of seemingly perfect murders shakes the city. With no evidence, no witnesses, and a killer who vanishes without a trace, he must race against time to uncover the truth. As hidden dangers lurk in every corner, the line between hunter and hunted begins to blur.

Korean War, winter 1950. In the frozen and snowy area of Changjin Lake, a bloody battle is about to begin between the elite troops of the United States and China.

After a tragic loss shakes his confidence, Zhu Xiao must solve a high-stakes poisoning case to uncover the truth, heal, and reclaim his sense of purpose.

Set in the early days of liberation, a special task force is assembled to tackle major crimes and espionage threatening the stability of the Huadong region, navigating dangerous political and criminal landscapes.

Yang Gensi leads his team at the Chosin Reservoir to repel eight waves of attacks from the U.S. Marine Corps. With ammunition running low and few men left, he must make sacrifices to defend their position.