Kelly Reilly's new mystery series, Under Salt Marsh, has secured a second season following a record-breaking debut on Sky. The drama, which stars Reilly as a former detective turned teacher, drew 1.8 million viewers in its first week.
How 1.8 million viewers pushed Under Salt Marsh past Day of the Jackal
The debut of Under Salt Marsh has established a new high-water mark for Sky, attracting 1.8 million viewers during its first week of broadcasting. According to the report, this viewership figure notably eclipsed the numbers seen during the network's own breakout success with Day of the Jackal. This surge in audience interest suggests a high appetite for atmospheric, character-driven mysteries in the current television landscape.
Beyond the raw numbers, the series has achieved a rare feat of critical consensus, currently holding a 100 percent rating from professional reviewers. Critics have specifically praised the production's film-like pacing and the calculated precision with which the mystery unfolds, cementing the show's status as a prestige hit for the network.
Jackie Ellis and the mystery of the Morfa Halen drowning
The narrative of Under Salt Marsh centers on Jackie Ellis, a schoolteacher and former deetctive who returns to an investigation after a former pupil drowns. As reported,the plot weaves together this current crime with a tragedy from three years prior, when Ellis resigned from her police career following the disappearance of her niece. This personal wreckage serves as the emotional core of the series, driving Ellis to uncover a web of deception.
The production features a high-caliber ensemble cast to support Kelly Reilly, who also serves as an executive producer on the project. the series includes performances from Jonathan Pryce, Harry Lawtney, Brian Gleeson, and Maggie Yang. The chemistry between Reilly's Jackie Ellis and her gruff former partner, Eric Bull, provides the primary engine for the show's investigative momentum.
The August 26 renewal and the move to a Scottish mining town
Sky officially confirmed the renewal of Under Salt Marsh for a second season on August 26. While the first season was rooted in the fictional Welsh village of Morfa Halen, the upcoming episodes will shift the setting significantly. Creator Claire Oakley intends to move the story to a remote Scottish mining town, where the characters will encounter new secrets buried in the region's history.
Filming for the second season is scheduled to begin early next year. This geographical shift allows the production to expand the narrative scope of the United Kingdom while continuing to explore the hidden truths of Eric Bull and Jackie Ellis. The move suggests that the creators are avoiding a formulaic "case-of-the-week" structure in favor of a broader, evolving journey .
Kelly Reilly's leap from the 12.9 million-viewer Dutton Ranch universe
The success of Under Salt Marsh highlighhts Kelly Reilly's ability to maintain star power outside of the Yellowstone franchise. The broader Yellowstone universe remains a global juggernaut, with the Paramount+ spin-off Dutton Ranch drawing 12.9 million viewers worldwide in its opening week. Reilly's transition from the Montana epic to a moody British thriller reflects a growing trend of A-list talent establishing cross-platform presences across different genres and continents.
By leveraging her visibility from Yellowstone, Reilly has helped Sky build a library of intense, immersive thrillers that can compete with global streaming giants. This strategy positions Sky not just as a broadcaster , but as a destination for high-end, character-centric drama that appeals to a global audience.
The missing details on Peacock's distribution role
While the report identifies Under Salt Marsh as a joint venture with the streaming platform Peacock, several specifics regarding the partnership remain unclear. It is not yet known how the distribution rights are split between the UK and US markets,or if Peacock will have a hand in the creative direction of the second season's move to Scotland. Furthermore, the source does not clarify if the 1.8 million viewer record includes Peacock's streaming numbers or refers exclusively to Sky's broadcast audience.
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