29 years old. Liu Hao, born in Yuxi City, Yunnan Province, 1993, is a member of the special anti-terrorism team, code-named Zhong Yuan, a comrade who disappeared five years ago. He lurked under the cover of mammoth, cooperated with Zhao Xin speed skating and Zhong Yuan to successfully smash the serial conspiracy and biochemical attack of terrorist organizations, and unveiled the true face of Jiang Han's virus-making with the new era plan "beneficial bacteria" as the carrier.