Content introduction: The world is so big, everything is strange. There are always a very small number of people who are gifted in certain fields, even if we struggle for a lifetime, we can't stand it. Some projects are thrilling and dead, but no one will remember them after the project is completed. People don't even know that there is such a group of people. Only the country remembers them. Yan Jiucheng, a two-faced man with a reporter and a mysterious identity of the Mayfly No. 022, and a group of brothers, walk on the tip of the knife with a hidden dual identity for a thrilling and mysterious project. Sun Tzu said: The wisdom is the sergeant. What should I do if it is counter-sergeant?