Strong dialogue, convincing others with "mouth"! Negotiation expert Zhuo Wenwei (played by Liu Qingyun) accidentally becomes the number one suspect in a murder case. He is forced to occupy the police station and hold the police hostage, and appoints former negotiation expert Xie Jiajun (played by Wu Zhenyu) to talk to him. Xie Jiajun, who is good at attacking the heart, and Zhuo Wenwei, who is highly skilled, repeatedly seesaw. During the verbal battle, the positions and mentality of the two gradually change... This film is adapted from the American movie "Ace vs. Ace".