In the ending of "Those Who Deserve To Die," the episode culminates in a tense confrontation between the detectives and the main antagonist, revealing deep-seated motivations and the consequences of their actions. The episode concludes with a resolution of the case, but leaves lingering questions about justice and morality.

As the episode unfolds towards its climax, the tension escalates. The detectives, led by the determined and principled detective, are hot on the trail of a suspect who has been evading capture. The emotional stakes are high, as the detectives grapple with their own moral dilemmas and the impact of their choices on the victims' families.

In a pivotal scene, the detectives confront the suspect in a dimly lit warehouse. The atmosphere is thick with suspense as they piece together the final clues that lead to the suspect's true identity. The confrontation is fraught with danger, and the detectives must navigate their own fears and doubts while trying to uphold justice.

As the confrontation reaches its peak, the suspect reveals their motivations, providing a chilling insight into their psyche. The detectives, faced with the reality of the situation, must make a choice that tests their commitment to the law and their personal beliefs about right and wrong.

In the aftermath of the confrontation, the detectives reflect on the case and its implications. The emotional weight of their decisions hangs heavy in the air, as they come to terms with the consequences of their actions. The episode closes with a sense of unresolved tension, leaving the audience to ponder the complexities of justice and the human condition.

The fates of the main characters are intertwined with the resolution of the case. The lead detective, having faced their own demons, emerges with a renewed sense of purpose, while the antagonist is left to confront the repercussions of their actions. The episode ends on a note of ambiguity, suggesting that the quest for justice is often fraught with moral complexities and personal sacrifices.

The title 'Those Who Deserve To Die' reflects the moral dilemmas faced by the characters, particularly Detective Do Chi-soo, who grapples with the concept of justice versus revenge. Throughout the episode, Chi-soo's internal conflict intensifies as he investigates a series of murders that seem to target individuals with dark pasts, forcing him to confront his own beliefs about who truly deserves punishment.

In this episode, Detective Do Chi-soo's relationship with his partner, Detective Jang Seok-jin, is tested as they navigate the complexities of the case. Chi-soo's growing obsession with the idea of justice leads to tension between them, as Seok-jin tries to maintain a more balanced perspective. Their differing views on morality and justice create a rift, showcasing the strain that the case places on their partnership.

The serial killer serves as a catalyst for the events of the episode, embodying the theme of retribution. As the detectives uncover the killer's motives, it becomes clear that the victims are not random; they are individuals with checkered pasts. This revelation forces Chi-soo to confront his own biases and the implications of vigilante justice, driving the narrative forward and deepening the emotional stakes.

The episode delves into the theme of justice through the backstory of one of the victims, who is revealed to have committed heinous acts in the past. This exploration raises questions about whether the victim deserved their fate, complicating the detectives' investigation and challenging the audience's perception of right and wrong. The victim's history becomes a focal point for Chi-soo's internal struggle with the concept of deserved punishment.

Throughout the investigation, Detective Do Chi-soo faces significant emotional challenges, including guilt and anger. As he uncovers the dark truths about the victims, he is haunted by memories of his own past cases and the lives he couldn't save. This emotional turmoil manifests in moments of frustration and desperation, pushing him to the brink as he grapples with the weight of his responsibilities as a detective.