He transmigrates to 1950 and becomes a household-registration police officer. He only wants to coast through life, but then he gets bound to a Spy Radar. Within five hundred meters, anyone hostile toward me is a spy! I crack codes and turn spies without following the usual rules, forcing spies to line up and surrender. Foreign enemies tremble in fear, but all I care about is how to catch spies, get promoted, and earn more money all the way to the top.
