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Under Salt Marsh
TV Series

Under Salt Marsh

No secrets are safe from the storm.
66
User Score53 ratings
TMDB 6.6202660m / ep1 seasons · 6 eps
CrimeMystery

Synopsis

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.

Episodes

6 episodes
Creator
Claire Oakley1 credited
Network
Sky OneSky One, Sky Atlantic, Sky Max
First aired
January 30, 2026Ended
Seasons
16 episodes

Top Cast

8 of 9
Kelly Reilly
Kelly Reilly
Jackie Ellis
Rafe Spall
Rafe Spall
Eric Bull
Naomi Yang
Naomi Yang
Jess Deng
Harry Lawtey
Harry Lawtey
Dylan Rees
Dino Fetscher
Dino Fetscher
Gareth Morgan
Dinita Gohil
Dinita Gohil
Nisha Jones
Kimberley Nixon
Kimberley Nixon
Shell Hill
Julian Lewis Jones
Julian Lewis Jones
Osian Northam

Trailers & Photos

Reviews

From TMDB users
annatv22
Feb 1, 2026

Moody Welsh crime drama with a standout Kelly Reilly and strong supporting cast. A slow burn at first, but rewarding once it finds its pace. Highly recommend.

MovieGuys
Feb 21, 2026

Strong cast, intriguing crime thriller, but as per usual let down by dreary DEI baggage. Let's start with the positives: the Welsh setting with a village under siege by rising ocean levels is a little unique. The crime drama, which spans two unsolved murders of children, is darkly disturbing with lots of twists and turns. Equally quality acting offers up well-rounded, often flawed characters. The downside is by now wholly predictable. The incessant need to ram DEI messaging down the viewer's throat. Personally I find it downright tiresome and pointless. In summary, it could have been a great series, but it's spoilt to a decent degree by the compulsion to inject woke narratives into what is supposed to be entertainment. An okay watch.

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