Under Salt Marsh 2026
“No secrets are safe from the storm.”
What is Under Salt Marsh?
Morfa Halen is a tight-knit Welsh town precariously nestled between towering mountains and a fast-encroaching sea that threatens its very existence. As a once-in-a-generation storm begins to gather far out at sea, former detective turned teacher Jackie Ellis discovers the body of her 8-year-old pupil, Cefin, seemingly drowned.
- Type
- TV series
- Year
- 2026
- Status
- Ended
- Episodes
- 6
- Runtime
- 60 minutes
- First aired
- Jan 30, 2026
- Last aired
- Feb 27, 2026
- Original language
- EN
- Origin
- GB
- Networks
- Sky One, Sky Atlantic, Sky Max
- Genres
- Crime, Mystery
- Updated
Where to watch
Stream
BINGE
Foxtel Now
Stream
Movistar Plus+ Ficción Total
SkyShowtimeStream
Amazon Prime Video
Amazon Prime Video with AdsStream
Sky Go
Now TVStream
Sky GoNow TVStream
JioHotstarStream
Sky GoNow TVStreaming availability data provided by JustWatch via TMDB. Availability changes by country and date; verify on the provider before subscribing or purchasing.
How long to binge?
Estimate the schedule using 6 episodes and an average 60-minute runtime.
Trailer
Overview
Morfa Halen is a tight-knit Welsh town precariously nestled between towering mountains and a fast-encroaching sea that threatens its very existence. As a once-in-a-generation storm begins to gather far out at sea, former detective turned teacher Jackie Ellis discovers the body of her 8-year-old pupil, Cefin, seemingly drowned.
The discovery sends shockwaves through the community, reviving the ghost of an unsolved cold case that rocked the town three years prior - the disappearance of Jackie’s niece, Nessa, which cost her career.
Should you watch it?
“A teacher discovers a student's body as a massive storm threatens a tight-knit Welsh town.”
- compelling mystery premise
- strong lead performances
- dark subject matter
- tense atmosphere
Watch it if you enjoy British crime thrillers set in isolated coastal communities.
The series features themes of crime and child tragedy.
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Your verdict
Is Under Salt Marsh worth watching?
Cast
Episode guide
Season 1 · 6 episodes
- E1 Episode 1 Jan 30, 2026
- E2 Episode 2 Jan 30, 2026
- E3 Episode 3 Feb 6, 2026
- E4 Episode 4 Feb 13, 2026
- E5 Episode 5 Feb 20, 2026
- E6 Episode 6 Feb 27, 2026
Frequently asked questions
What is the genre of the show?
Under Salt Marsh is a British crime thriller miniseries.
Who created the series?
The series was created by Claire Oakley.
Who are the lead actors?
The lead roles are played by Kelly Reilly and Rafe Spall.
Where is the show set?
The story takes place in a town called Morfa Halen in Wales.
What is the central plot conflict?
The discovery of a student's body revives an unsolved cold case involving the protagonist's niece.