Samuel jackson, an agent of the National Security Agency, successfully smashed criminal organizations with the help of former extremist agents. Now another urgent task appears, which makes Gibson continue to pursue the task of finding and training new blood, and the brave Si Tong (ice) is Gibson's latest tame goal.

Si Tong, who has nothing to do with the Security Bureau, has become a new extremist agent. Although there are many differences between him and his predecessor, his serial number is the same as his predecessor, both of which are XXX. This time, Si Tong's mission goal is even more fierce. They are a group of terrorists composed of former members of special forces. The leader, George Decatur (willem dafoe), is ruthless and thoughtful. Dissatisfied with the foreign policy of the US government, they plotted to launch a mutiny in Washington, control the Capitol and the White House, and overthrow the government.