The 1992 Truth Unveiled: In 1992, student reporters Seo Joon-seok (Jung-hoo’s father) and Oh Gil-han (Young-shin’s father) discovered that government-backed oligarchs were laundering illicit political slush funds. During an undercover operation, Gil-han was murdered. Kim Moon-sik, captured by the perpetrators, made a Faustian pact with the syndicate leader ("The Elder"): he testified falsely that Joon-seok murdered Gil-han out of greed and then committed suicide. In exchange, Moon-sik was rewarded with the media empire Jeil Sinmun and custody of Gil-han’s paralyzed widow, Choi Myung-hee, who was led to believe her toddler daughter Ji-an had died.
The Fate of Ji-an: Toddler Ji-an was abandoned during the chaos, placed in an orphanage, subjected to abusive foster care, and ultimately adopted by kind-hearted attorney Chae Chi-soo, growing up as Chae Young-shin.
The Climax & Resolution: When Teacher Ki Young-jae is poisoned in detention, Jung-hoo obtains the original audio recording of his father's final interrogation, proving Joon-seok was a murdered whistleblower and clearing his name. In Episode 20, Moon-ho, Young-shin, Jung-hoo, and Hacker Min-ja collaborate on a sting at the airport to expose The Elder’s scheme to contaminate and privatize regional water supplies. With Detective Yoon Dong-won's cooperation, Jung-hoo stages his public death using blank rounds. With the "Healer" persona permanently buried, Jung-hoo lives openly as a news photographer for Someday News, happily alongside Young-shin.