Liu Zhangmu

The movie revolves around a huge transnational drug trafficking transaction. Lei Zhanjun and Lei Zhansheng are twin brothers. The younger brother was involved in a local gang vendetta. He faked his death and had plastic surgery and escaped unscathed, taking away a huge amount of the gang's funds. The elder brother, who did not know the inside story, crossed national borders and chased the murderer thousands of miles away in order to find out the truth about his younger brother's "death". The younger brother, who had escaped, returned with a new face and identity in order to save his elder brother. Together with his elder brother, he desperately escaped under the double pursuit of the police and the underworld.

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.

The major case squad within the public security organization tackles a series of perplexing cases, led by forensic expert Liao Yan and criminal psychology specialist Liang Maiqi. Both are young professionals returning from abroad, leveraging their expertise to solve unusual cases. Through close collaboration with their teammates, they navigate dangerous situations, using their intelligence and bravery to resolve crises and complete missions. Meanwhile, other young officers in the squad also develop friendships and grow personally through their involvement in solving these intriguing mysteries.