The protagonist, who appears to be a gynecologist, is actually a secret employee of the state security department. This time he received an order from his superiors to contact some people on the suspect list, trying to find the master hacker "Chameleon" who poses a major threat. With first-class disguise skills and sophisticated hacking methods, how can the protagonist defeat the most amazing hacker of this century? How does he choose between love and country? This is love walking on a tightrope, dependence buried in crisis. A rigorous and calm gynecologist, a taciturn middle school teacher, a charming bar singer, what will happen to the three people in the shared house? The fates of three completely different people intersect, the underground war between two countries, and the undercurrent surging in a heart. The back-and-forth confrontation between true love and pseudo-love, the repeated tug-of-war between temptation and confession, the entangled choices of family and friendship, and the dependence and rebellion of society and individuals. Note: This article is not a 3P. In addition, some supporting characters have BG feelings and will not be described in detail.