Yellowstone's Kelly Reilly is set to star in the new crime drama

Huge stars of popular TV shows, Yellowstone, Slow Horses and Happy Valley have teamed up for an exciting new crime drama set in Wales. Kelly Reilly, Mark Stanley and Jonathan Pryce star in the new Sky series, Under Salt Marsh that takes place in the fictional Welsh town of Morfa Halen.

Kelly Reilly, known for her role in Yellowstone, takes the lead in the new drama as Jackie Ellis, a former detective turned teacher who stumbles upon the body of her eight-year-old student who seemingly drowned.

This grim discovery sends ripples through the town as it rekindles an unresolved cold case - Jackie's niece who went missing three years before.

Reilly's character is forced to work with her ex-police partner Eric Bull, played by

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