The drama takes the current opposition to Taiwan independence as the background, tells a stunning modern story from a new perspective: With the support and condolence of international anti-China forces, Li Xiao, a former spy on the operation department of the Taiwan Military Intelligence Bureau, organized an international separatist organization "Iron Blood Alliance" and served as an operation consultant, sneaking into mainland China, intending to use model aircraft to explode when an important delegation from a certain country visits China, commit violent assassination activities, and undermine the relationship between the two countries.At the same time, Li Xiao also used his daughter Li Manqiu, who had been to college in mainland China to instigate his classmates, Hong Yue, the commander of the missile force I participated in military exercises, in an attempt to create a misfire missile and attack a military conflict in a major country.To achieve a political situation of splitting the motherland and undermining our country's stability and unity.This will achieve the evil purpose of enabling the Taiwan independence forces to benefit from it.Zhou Tianren, former director of the Kuomintang Military Intelligence Bureau who was once Li Xiao’s mentor, is a nationalist and strongly opposes Li Xiao’s claims of Taiwan independence.In order to stop Li Xiao, he followed Li Xiao's whereabouts everywhere, regardless of his own burden of killing my underground party member with his own hands, and the current Director Zhu of the National Security Bureau, resolutely followed up on the mainland.