en Cuevana 3. Negotiator expert Cheuk Man Wai unexpectedly becomes the prime suspect in a murder case. Forced into a corner, he occupies the police station, taking officers hostage, and demands negotiations with the former negotiator Tse Ka Chun. With Tse's expertise in psychological manipulation and Check's exceptional skills, they engage in a battle of wits. As the verbal sparring deepens, their positions and mindsets gradually change.