The finale of "24 Hours" is the discovery that Qi Yong is a traitor and Wang Wen dies.

After Liu Zheng learned that Qi Yong had been kidnapped by Yang Hua, he escaped from the investigation team and drove to Pier 3. Yang Hua and others had made all preparations in the warehouse, waiting for Liu Zheng's arrival. Zeng Yan told Fang Jin that Liu Zheng had gone to the dock, and Fang Jin drove to reinforce. Wei Gang and Zhu Hui have been checking everyone's computers in the anti-terrorism center. What everyone couldn't believe was that Qi Yong was the traitor.

At the dock, Qi Yong shot Yang Hua to death. Liu Zheng was very surprised when he learned that Qi Yong had a problem. When Wei Gang told Liu Zheng that there was a traitor inside the center, Zeng Yan shot and wounded Wei Gang, placed a time bomb in the center, and hijacked Wang Wen.

The police arrested Qi Yong at the dock. Liu Zheng saw Music again. While talking to Music, Liu Zheng suddenly felt that the traitor in the center was Zeng Yan. When he returned to the center, he saw that Zeng Yan had hijacked When the two sides were in a stalemate, Zeng Yan shot and killed Wang Wen.

The main plot synopsis of "24 Hours":

The whole country is in a state of spread of a virus called "Akula". While everyone is in panic, Qingshan City, a coastal city with beautiful scenery, is still outside the whirlpool. In order to keep the virus out, retired policeman Qi Yong, director of the Qingshan City Health and Epidemic Prevention Center, is leading his brothers to closely inspect vehicles entering Qingshan.

At the same time, Zhou Zuoyi, the richest man in Qingshan City, is holding a donation event in the hotel to fight the "Akula" virus. But behind Zhou Zuoyi's graceful appearance at the reception, several pairs of eyes were staring at him closely. Gao Ming, the head of the Anti-Terrorism Center, with the cooperation of the Qingshan Municipal Party Committee, is closely monitoring Zhou Zuoyi, a suspect involved in many major domestic and international economic cases, drug production and trafficking.