Revolving around the legendary "Tian Ji Ce", Su Chang'an was forced to be involved in an assassination conspiracy against the imperial power. The main line of the story is not simply "rescuing people", but "breaking the situation"**. The so-called "twenty-four strategies" are actually twenty-four carefully designed dead ends. Su Changan and his friends need to see through the enemy's tricks in reversals one after another, and in the process uncover the truth about the death of Su Changan's family. The main line emphasizes: ** "The truth is often in the hands of a few madmen, and we are those madmen."