The two pursuit lines crisscross and peel off from time to time. On one hand, our public security officer Zheng Ye travels thousands of miles to protect the eyewitness, with life hanging by a thread. On the other hand, the criminals relentlessly pursue and kill. The suspenseful twists and turns are the most captivating aspects of this drama. Wu Li, the vice manager of Punk Nightclub, resigns to his boss Long Huijun and is stabbed to death in the underground parking lot. Dai child Imman witnesses this moment. As the killer searches for him, a wild cat helps him escape danger. The criminals muddy the waters, framing Zheng Ye, the police officer responsible for this case, as the instigator of the murder. They ruthlessly hunt down the witness. To clear his name, Zheng Ye secretly escorts Imman and his mother Ruiying back to their Dai village in Yunnan. Along the way, they face numerous dangers. Seeing that his subordinates are no match for Zheng Ye, Long Huijun personally goes to Yunnan with his girlfriend Yin Yi. The villains kidnap Ruiying. Yin Yi is extremely repulsed by Long's actions and voluntarily allows Zheng Ye to hold her hostage to save Ruiying. During the hostage exchange, the deranged Long Huijun shoots Yin Yi and flees in panic. Zheng Ye finds an opportunity to capture Long Huijun but deliberately lets him go to expose his mastermind. With the help of an undercover police officer, Zheng Ye captures Long Huijun and his mastermind, Mr. Wu. However, Mr. Wu is just a puppet. The real mastermind is a woman that Zheng Ye knows very well. As she attempts to flee the country, Zheng Ye personally handcuffs her.