The episode begins with Charles, Oliver, and Mabel still reeling from the events surrounding the murder of Tim Kono. They gather in the apartment to discuss their next steps in the investigation. Mabel is particularly focused on finding out more about the night of Tim's death, and she suggests they need to dig deeper into the people who were close to him. Charles and Oliver agree, and they decide to split up to gather more information.

Charles heads to the building's security office to review the surveillance footage from the night of the murder. He is determined to find any clues that might help them understand what happened. As he watches the footage, he becomes increasingly frustrated when he realizes that the cameras were not functioning properly that night. This setback leaves him feeling defeated, but he pushes through, knowing they need to find another angle.

Meanwhile, Oliver visits the building's concierge, who has a reputation for knowing everything that happens in the building. He tries to charm her into revealing any gossip or information about Tim Kono. The concierge is initially reluctant but eventually opens up about Tim's relationships and mentions a mysterious woman who was seen with him shortly before his death. This revelation piques Oliver's interest, and he makes a note to follow up on this lead.

Back at the apartment, Mabel receives a text from a friend who has information about Tim's past. She learns that Tim had a complicated relationship with his family, particularly with his mother. Mabel shares this information with Charles and Oliver, and they discuss how this could be relevant to the investigation. They decide to reach out to Tim's mother to see if she can provide any insight into his life and relationships.

As they prepare to visit Tim's mother, the trio reflects on their own personal struggles and motivations for solving the case. Charles grapples with his feelings of inadequacy and the pressure to prove himself, while Oliver is driven by his desire to create a successful podcast. Mabel, on the other hand, is motivated by her connection to Tim and her need for closure.

The scene shifts to the trio visiting Tim's mother, who is initially hesitant to speak with them. However, they manage to gain her trust by expressing their genuine concern for Tim and their desire to uncover the truth. She reveals that Tim had been distant from the family and had been struggling with personal issues. This conversation deepens the mystery surrounding Tim's life and adds layers to the investigation.

After their meeting, the trio regroups to discuss their findings. They realize that Tim's relationships were more complicated than they initially thought, and they need to explore these connections further. They decide to investigate the mysterious woman mentioned by the concierge, believing she could hold crucial information about Tim's final days.

The episode culminates in a tense moment when the trio confronts the woman, who turns out to be a former friend of Tim's. She is defensive and reluctant to share details about their relationship. As they press her for information, she reveals that Tim had been involved in something dangerous, hinting at a darker side to his life. This revelation leaves the trio shaken and determined to uncover the truth, setting the stage for the next phase of their investigation.

In the ending of "Only Murders in the Building," episode 6 titled "To Protect and Serve," Charles, Oliver, and Mabel confront the reality of their investigation into Tim Kono's murder. They face a significant turning point when they realize that their amateur sleuthing has put them in danger. The episode concludes with a cliffhanger as they discover a crucial piece of evidence that could lead them closer to the truth, but it also raises the stakes for their safety.

As the episode unfolds, we begin with Charles, Oliver, and Mabel grappling with the aftermath of their previous discoveries. The trio is still reeling from the tension of their investigation, and the atmosphere is thick with uncertainty. They gather in the Arconia, their shared residence, to discuss their next steps. Each character is motivated by a mix of curiosity, a desire for justice, and the thrill of solving a mystery, but there is also an underlying fear of the consequences of their actions.

In a pivotal scene, the trio decides to confront the building's security guard, who has been acting suspiciously. They believe he may have information about Tim Kono's death. The tension is palpable as they approach him, each character's internal motivations shining through. Charles, with his background in acting, tries to maintain a calm demeanor, while Oliver's flamboyant personality adds a layer of urgency to the confrontation. Mabel, who has a personal connection to the case, is determined and focused, her emotions driving her to seek the truth.

As they press the guard for answers, the scene shifts to a more intense atmosphere. The guard becomes defensive, and the trio realizes they may have underestimated the danger they are in. The stakes are raised when they receive a threatening message, indicating that someone is watching them closely. This moment serves as a wake-up call for the characters, highlighting the risks involved in their investigation.

The episode builds to a climax when they discover a hidden clue in Tim's apartment. This revelation is a turning point, as it not only brings them closer to solving the murder but also deepens their bond as a team. The excitement of the discovery is mixed with a sense of foreboding, as they understand that they are now entangled in a web of danger.

In the final moments, the trio stands together, united in their quest for the truth but acutely aware of the threats that loom over them. The episode ends on a cliffhanger, leaving viewers eager to see how their investigation will unfold and what consequences they will face as they delve deeper into the mystery.

As the credits roll, the fate of each main character is left hanging in the balance. Charles, Oliver, and Mabel are all deeply invested in the case, but their safety is now compromised. The episode closes with a sense of urgency and anticipation, setting the stage for the next chapter in their investigation.

In "Only Murders in the Building," Season 1, Episode 6 titled "To Protect and Serve," there is no post-credit scene. The episode concludes without any additional scenes after the credits roll, focusing instead on the main storyline and character developments throughout the episode. The narrative wraps up the events of the episode, leaving viewers to reflect on the unfolding mystery and the dynamics between the characters.

In this episode, Charles, Oliver, and Mabel discover a crucial piece of evidence when they find a hidden recording device in Tim Kono's apartment. This device reveals a conversation that sheds light on Tim's relationships and potential motives for his murder.

Mabel grapples with her past as she reflects on her childhood and her connection to the building. This episode delves into her emotional state as she confronts memories that tie her to the murder investigation, revealing her vulnerabilities and motivations.

Detective Kreps becomes increasingly suspicious of the trio as they continue their investigation. His interactions with them are tense, and he serves as a foil to their amateur sleuthing, highlighting the challenges they face in uncovering the truth.

Charles takes a more methodical and cautious approach, while Oliver is impulsive and eager to jump to conclusions. This difference in their investigative styles leads to conflict, showcasing their personalities and the strain on their partnership.

Oliver faces a personal crisis as he struggles with his career and financial instability. This episode highlights his desperation and determination to solve the case, revealing deeper layers of his character and his motivations for being involved in the investigation.

"Only Murders in the Building," Season 1, Episode 6, titled "To Protect and Serve," contains several elements that may be considered objectionable or upsetting for children or sensitive viewers. Here are some aspects to consider:

1. Murder Mystery Theme: The central plot revolves around a murder investigation, which may be unsettling for younger audiences.

2. Discussion of Death: Characters frequently discuss death and the implications of murder, which could be distressing.

3. Emotional Turmoil: Characters experience a range of emotions, including grief, anxiety, and fear, which may resonate deeply with sensitive viewers.

4. Police Interactions: There are scenes involving police that may depict authority figures in a tense or negative light, which could be concerning for some.

5. Dark Humor: The show employs dark humor related to the murder theme, which may not be suitable for all viewers.

6. Tense Situations: There are moments of suspense and tension that could be anxiety-inducing.

These elements may warrant parental guidance for younger viewers or those who are particularly sensitive to themes of violence and emotional distress.