Strong dialogue and convince people with "mouth"! Negotiator Zhuo Wenwei (Liu Qingyun) accidentally becomes the number one suspect in a murder case. He is forced to occupy the police station and take police hostage, and appoint former negotiator Xie Jiajun (Wu Zhenyu) to talk to him. Xie Jiajun, who is good at attacking the heart, and Zhuo Wenwei, who is highly skilled, repeatedly fought and fought. During the battle of words, their positions and mentality gradually changed... This film is adapted from the American movie "Ace vs. Ace".