A 17-year-old named Kang Geon transfers to an elite high school attended only by the top 0.1% of South Korea.<br><br>Trained since the age of five in North Korea as a human weapon and a genius secret agent, he’s given a mission to infiltrate South Korea’s high society and build connections.<br><br>But making friends turns out to be the bigger challenge.<br><br>Living under the guise of a family with his father, a hacker watched by nations, and his mother a legendary assassin, he navigates a spy-action drama in search of true happiness.