Mayor of Kingstown season 4 episode 10 (finale) ending explained: Is Callahan alive?

Mayor of Kingstown season 4 finale, titled Belly of the Beast, premiered on December 28, 2025, bringing a dramatic end to the ongoing battles between Mike McLusky, his enemies, and the town of Kingstown.

Disclaimer: The following article contains spoilers from Mayor of Kingstown season 4 finale episode. Reader’s discretion is required.

In season 4 finale, Callahan is ultimately killed by Kyle in a brutal act of revenge for Tracy's murder, bringing an end to his reign of terror. While Callahan's death provides closure for Kyle, the war between the Crips and the Colombians, along with other unresolved conflicts, leaves the door open for future battles in Kingstown.

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Callahan returns to Kingtown for revenge in Mayor of Kingstown season 4 episode 10

A detailed recap of Mayor of Kingstown season 4 finale episode (Image via YouTube/Paramount+)

The season 4 finale begins with a raucous and violent Don's Diner scene. Mike, Ian, and Kyle use quick thinking to escape the diner as highly armed shooters assault. Stevie is wounded, but they kill two attackers and capture a third. They discover that Merle Callahan, who has returned to Kingstown to avenge Mike, orchestrated this hit during a difficult questioning.

After discovering Callahan is still hidden, Mike's squad begins a search. Violence in Anchor Bay and Kingstown increases as Crips and Colombians clash. Callahan turns himself in to the police station, evidently trying to escape Mike's anger. Mike prepares for his final showdown with the villain, and Callahan's sadism is revealed in his final moments.

Also read: Mayor of Kingstown season 4: Everything to know about the previous seasons

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Callahan's role and his sudden surrender

A detailed recap of Mayor of Kingstown season 4 finale episode (Image via YouTube/Paramount+)

Chaos ensues when Callahan returns to Kingstown. After dispatching his men to kill Mike, it is revealed that he has been working behind the scenes to retake the town's criminal underworld. The Don's Diner attack was just the start. In the episode, Mike and his allies discover that Callahan is responsible for the town's violence all season.

Callahan unexpectedly surrenders to Captain Walter at the police station. Callahan thinks he'll survive best in the court system, where Mike can't reach him. The scheme fails. Although Captain Walter knows Callahan is bad, he lets Ian abduct him and give him to Mike for a last reckoning.

Also read: How many episodes will there be in Mayor of Kingstown season 4? Episode count, release schedule, and more

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Kyle's revenge

A detailed recap of Mayor of Kingstown season 4 finale episode (Image via YouTube/Paramount+)

In the tense and emotional climax of season 4, Mike and Ian bring Callahan to a desolate rail yard, a location that has become synonymous with the show’s darker moments.

There, Kyle is ready to exact revenge for the brutal murder of his wife, Tracy. As Callahan tries to provoke Kyle with taunts about Tracy’s death, he realizes too late that Kyle has no intention of letting him off easy.

Callahan tries to control Kyle but fails. Kyle, seeking justice and closure, shoots Callahan in the genitals before killing him with a headshot. Callahan's terrible death ends Kyle's season-long emotional journey, releasing his fury and grief. Kyle may finally recover from his pain and move on after this catharsis, with Mike comforting him.

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The fate of the Crips and the cartel

A detailed recap of Mayor of Kingstown season 4 finale episode (Image via YouTube/Paramount+)

Callahan's death provides some closure, but the season finale leaves many unanswered concerns and conflicts. Growing conflict between Crips and Colombians is also covered in the program.

After taking over Frank Moses' criminal empire, Bunny attacks the cartel's stronghold, causing a violent standoff. After Bunny's men grab Cortez, the cartel hitman, the situation worsens, and Cortez escapes.

This abrupt turn puts the Crips at risk of cartel vengeance. The escape of Cortez and the Crips' power uncertainties signal that the fight between the two factions is far from ended, setting the groundwork for future clashes. As Bunny acquires power, his struggle to dominate Kingstown escalates, complicating the story and increasing the show's intensity.

Also read: Is Nina Hobbs secretly working for the cartel in Mayor of Kingstown season 4 episode 5

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Kevin Jackson's tragic end

A detailed recap of Mayor of Kingstown season 4 finale episode (Image via YouTube/Paramount+)

Another terrible death occurred amid Anchor Bay pandemonium. In a premeditated strike, cartel member Roberto Cruz kills jail officer Kevin Jackson. Given the continuous Crips-cartel tensions, this death is expected, but it complicates the story. Kevin's death casts doubt on Hobbs' cartel connection and goals, leaving her morally ambiguous.

Kevin’s death is witnessed by Cindy, who is left to grapple with the brutal reality of life at Anchor Bay. The constant violence and betrayal weigh heavily on her, leaving her questioning her place in the corrupt system. This moment also highlights the human cost of the ongoing conflict and underscores the show's dark and gritty portrayal of life in Kingstown.

Also Read: The Town season 1 ending explained: What does Efe do with the money?

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Mayor of Kingstown season 4 is available for streaming on Paramount+.

Edited by Rajan Bhattacharya