The whole city was surrounded and suppressed, but no one responded. Bai Ci, a top spy code-named "Zhulong", broke into a cold sweat when his five-year-old daughter pushed away the building block code in a desperate situation where his escape route was completely cut off. After three years of lurking, he deciphered seventy-two sets of enemy secret codes, but he didn't know that "home" was the last lock. No one knows that this weak codebreaker is using the stupidest method to knock off all the enemy's disguises. Three days later, the "silence" command accidentally triggered the "extinction" protocol. Bai Ci smiled in front of the spy leader: "Sorry, the expired movie ticket stub in your pocket is the next code book."