A Violent Prosecutor

During a tense interrogation, a petty criminal dies and all the evidence points to prosecutor Byun Jae-Wook. The case triggers a relentless investigation that ends with a 15-year prison sentence. The ordeal tests not just his freedom but the very idea of justice he cherishes.

Inside the prison, Jae-Wook endures harsh treatment at first. He uses his sharp legal mind to help guards with legal matters and to defend the rights of prisoners, slowly earning their loyalty. This earns him the nickname 'Sir Young Gam' and shapes his daily life behind bars.

A company owner consults Jae-Wook about a man he beat after an alleged rape. Jae-Wook offers cool, precise legal guidance, while the owner promises to repay the favor later. The exchange plants a seed of leverage that could resurface when power is needed.

Five years pass before Jae-Wook crosses paths with Chi-Won, a young fraudster who knows intimate details about his case. The former prosecutor sees an opportunity to shape Chi-Won’s abilities and begins training him to carry out plans beyond the prison walls. They form a wary alliance aimed at countering those who framed Jae-Wook.

Chi-Won uncovers crucial connections by tracking down a friend of the murder suspect and recording a confession that the suspect suffered from asthma and relied on an inhaler. The compiled evidence is sent back to Jae-Wook, who starts building a case for parole. This new lead attracts powerful enemies who want to bury the truth.

The emergence of new evidence catches the eye of a powerful political figure—a congressional candidate who previously served as assistant general of the prosecutors’ office and is willing to do anything to shut the case down. The whistleblower who could expose the truth is beaten, forcing Chi-Won to choose a dangerous path to escape.

Recognizing the danger, Jae-Wook turns to fellow inmates he once helped and enlists their support to push back against those who engineered his downfall. The plan centers on taking down Woo Jong-gil, the Asst. Prosecutor General, whose influence could bury the truth.

The alliance with the inmates strengthens, giving Jae-Wook a new backbone to challenge the people who betrayed him. They pool their leverage and networks to gather the momentum needed to test Jong-Gil’s authority and reveal the corruption that taints the case.

Flashbacks reveal Jong-Gil’s ruthless actions during the original investigation: he colluded with a builder to encroach ecological land and beat a prisoner to obtain the inhaler that led to death. These memories illuminate the depths of the conspiracy and justify the renewed push for justice.

A recording surfaces in which Jong-Gil admits he possessed the inhaler, a pivotal confession that becomes the turning point for the retrial. The new evidence solidifies the path toward overturning the previous verdict and pursuing justice against the implicated powers. The system fights to maintain its façade, but the truth gains ground.

When the moment of release arrives, Chi-Won greets Jae-Wook with a simple bag of tofu, signaling a tentative partnership that could extend beyond this story. Jae-Wook urges Chi-Won to live honestly, grounding his lesson in faith and perseverance as they step into a new chapter together.

The film closes on a somber, hopeful note about the cost of truth and the resilience of a man who uses law as a shield. An uneasy alliance between a reform-minded prosecutor and an outsider hints at ongoing struggles to expose the truth within a system built to protect itself.