The quaint riverside town of Marlow, nestled along the Thames in Buckinghamshire, England, is set to face another wave of intrigue and suspense as The Marlow Murder Club returns for its highly anticipated Season 3 in 2026 on PBS Masterpiece in the US and U&DRAMA in the UK. Following the thrilling wrap of Season 2, the beloved cozy crime series—adapted from Robert Thorogood’s novels—promises six gripping new episodes packed with clever twists, sharp humor, and the signature charm that has made it a fan favorite.

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Living in Marlow: A Riverside Town with Lasting Appeal

The picturesque Marlow, with its historic bridges, elegant homes, and serene river views, provides the perfect backdrop for murder mysteries that disrupt its peaceful facade. The core trio of amateur detectives returns: Samantha Bond as the sharp-witted, retired archaeologist and crossword enthusiast Judith Potts; Jo Martin as the bold, no-nonsense dog-walker Suzie Harris; and Cara Horgan as the resourceful, quick-thinking Becks Starling.

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Unveiling the next chapter: The Marlow Murder Club returns for a …

This dynamic group—often seen teaming up to outsmart suspects and police alike—will tackle three shocking new cases spread across the season. The stories escalate the personal stakes dramatically, blending community scandals with intimate betrayals.

First, the sudden death of Marlow’s mayor rocks the town, sending ripples through local politics and exposing hidden agendas among the elite. Then, a glamorous cookbook launch turns tragic when a celebrity chef is found dead, poisoned amid flashing cameras and high-society guests—raising questions about jealousy in the culinary world.

But the most explosive case centers on a university reunion held at a sinister, atmospheric manor house. Old friendships and buried secrets resurface, culminating in a deadly locked-room murder. Shockingly, Becks herself emerges as the prime suspect, forcing Judith and Suzie to investigate their own friend while grappling with loyalty, doubt, and the fear of losing a member of their tight-knit club.

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The Marlow Murder Club Season 1 Episode 1 Review

Natalie Dew reprises her role as the increasingly reluctant but capable DI Tanika Malik (now promoted to DCI), who must once again collaborate with the unconventional sleuths despite her professional reservations. The season features a star-studded guest cast adding layers of intrigue: Nigel Harman (known for EastEnders) as Marcus in the opening episodes, Peter Davison (former Doctor Who) in a key role, alongside Harry Enfield, Adrian Lukis, and others like Sarah Alexander and Alistair MacKenzie, whose characters weave into the mysteries with motives ranging from ambition to revenge.

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Death in Paradise actor to star in third series of The Marlow …

Filming wrapped in late 2025, with first-look images teasing tense confrontations, garden gatherings, and the trio in full investigative mode. The season emphasizes psychological depth—exploring how past grievances fuel present-day crimes—while maintaining the light-hearted banter and eccentric charm that define the show.

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FIRST LOOK images released for The Marlow Murder Club Series 3 on …

As Marlow braces for these chilling events, viewers can expect the boldest chapter yet: higher personal stakes, explosive revelations, and the unbreakable bond of the murder club tested like never before. Whether unraveling political intrigue, celebrity scandal, or university betrayal, Judith, Suzie, and Becks prove once again that in this idyllic town, no secret stays buried forever.

With clever plotting from returning writers including Thorogood himself, Season 3 is poised to deliver cozy crime at its finest—entertaining, twisty, and utterly addictive. Mark your calendars for 2026; Marlow’s darkest secrets are about to unfold.