A mercenary codename “Healer” (Ji Chang-wook) who is skilled in fighting and information wars, a reporter from a tabloid news website Chae Young-shin (Park Min-young), and a famous journalist at a major broadcast station (Yoo Ji-tae) became entangled in a twist of fate. While investigating the incident decades ago involving an illegal pro-democracy broadcasting station crack down, they uncover conspiracies of powers that be in Korea’s upper echelon of society.