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Only Murders in the Building season 5 episode 10, titled The House Always, premiered on October 28, 2025, on Hulu.
It answers all the key questions about the murder of Lester, the corrupt billionaires, and the future of the Arconia. As the trio of Mabel, Oliver, and Charles continue to uncover dark secrets, they unveil shocking truths about those around them, including the identity of Lester’s killer.
Disclaimer: The following article contains spoilers from Only Murders in the Building season 5 episode 10. Reader’s discretion is required.
The episode begins with the building's tension and Lester's murder rising stakes. The episode carefully reveals that Lester's death was related to a billionaire and shady politician conspiracy. After a season of suspects and intrigue, The House Always pinpoints Mayor Beau Tillman as Lester's killer.
His desire to hide his dangerous game with the billionaires and his affair with Sofia, Lester's wife, drive him. The finale reveals all the dark twists that led to Lester's tragic end and promises more for Arconia residents. The season ends with justice and new mysteries.
Mayor Tillman’s Guilt Unveiled in Only Murders in the Building season 5 finale episode
The ending of Only Murders in the Building season 5 finale episode (Image via YouTube/Hulu)As the final confrontation unfolds, the stakes are higher than ever. Mayor Beau Tillman, in an attempt to save himself, calls in his corrupt police officers to lock up the trio. They are trapped in a hidden stairwell as the building is demolished. The mayor wants them to die in chaos. With Howard and other allies' help, the trio escapes and gathers evidence to expose Tillman.
The turning point comes when Mabel realizes that the text message Lester sent to his wife, "It’s beautiful," was autocorrected to "Beau" in Howard’s phone. This detail leads Mabel to deduce that Mayor Tillman was the one involved in the murder.
In a tense standoff, Mabel reveals Tillman’s guilt to the press, and the team plays the incriminating recording of Tillman’s confession. The mayor tries to dismiss the evidence, but the recording captures his admission, leading to his arrest. The episode ends with a twist as the casino project billionaires are arrested for their conspiracy and the Arconia is saved.
Also read: 7 murder mystery shows to watch if you loved ‘Only Murders in the Building’
Nicky and Sofia's relationship
The ending of Only Murders in the Building season 5 finale episode (Image via YouTube/Hulu)The season 5 finale of Only Murders in the Building features a heated confrontation and Lester's killer reveal. In a dramatic flashback to the 1980s, Nicky and Sofia's turbulent relationship begins to crumble. On the murderous night, Nicky confronts Mayor Beau Tillman about his affair with Sofia.
After a heated argument, Nicky accidentally dies, leading to a series of tragic events. Lester steps in to stop the violence, but the situation turns deadly when Mayor Tillman, in a desperate attempt to protect himself, kills Lester. The mayor tries to cover up the murder, but the Only Murders team uncovers the truth.
The events that happened before and after Lester's death are both complicated and sad. Nicky finally snaps when he finds out about the affair. He lashes out at the mayor in a fit of anger, and the mayor loses a finger.
This event starts the chain of events that kill Lester in the end. As things get worse, Lester tries to get things under control by gathering evidence, but Mayor Tillman's dishonest actions and attempts to hide the murder mean that Lester will be found guilty.
He dies after being pushed into the fountain in the courtyard. The clues help Mabel and the team figure out that Mayor Tillman is the killer. This news brings justice to the people of Arconia, but the building's future is in danger because of the mayor's dishonesty.
The severed finger
The ending of Only Murders in the Building season 5 finale episode (Image via YouTube/Hulu)The mystery surrounding the severed finger plays a crucial role in uncovering the identity of Lester’s killer. The investigation into the finger starts early in season 5, with the finger first being discovered in Oliver’s apartment.
The trio of Mabel, Oliver, and Charles initially suspect that the finger belongs to one of the billionaires. However, their investigations lead them to a shocking revelation: the finger actually belonged to Mayor Beau Tillman.
This discovery is pivotal in connecting the dots and revealing his role in Lester’s death. The mayor's involvement with Sofia, the corruption at play, and the tangled web of lies all center around this crucial piece of evidence, which leads the team to the truth about Lester’s murder.
Also read: What role does Dianne Wiest play in Only Murders in the Building season 5? Character explored
The fate of the Arconia: Casino plans thwarted
The Arconia’s fate hangs in the balance throughout season 5, as Camila White, Bash Steed, and Jay Pflug work to turn the building into a casino. The demolition of the building becomes a major point of tension, especially as the building is set to be torn down to make way for the casino. In the finale, it is revealed that the billionaires' plans have been thwarted.
With Mayor Tillman's arrest and the billionaires' corruption exposed, the casino project fails. The Arconia residents, who fought to save their home from the billionaires, need this victory. The Arconia and its residents' future is uncertain despite the building's saving.
A new murder on the horizon
The ending of Only Murders in the Building season 5 finale episode (Image via YouTube/Hulu)After the resolution of Lester’s murder, Charles, Oliver, and Mabel gather to listen to Cinda Canning’s new podcast, which centers around a mysterious murder involving a young woman with red curls.
As they listen, they learn the podcast's woman was murdered near the Arconia. An unexpected twist reveals that the woman is Cinda Canning, setting up the trio's next murder mystery for the season. This final twist leaves fans eagerly awaiting what happens to Arconia residents and the detectives.
Only Murders in the Building season 5 is available for streaming on Hulu in the United States and Disney+ abroad.
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Edited by Rajan Bhattacharya
English (US)