This Dark New British Crime Drama About A Teacher Who Finds Her Young Pupil Dead In A Storm-Battered Coastal Town Is Quietly Becoming The Internet’s Latest Obsession — But The Terrifying Secret Hidden Beneath The Rising Tide Is What Viewers Say They Still Can’t Stop Thinking About
Under Salt Marsh is a compelling 6-part British crime drama that premiered on Sky Atlantic and NOW in January 2026. Set in the fictional Welsh coastal town of Morfa Halen, the series follows Jackie Ellis (Kelly Reilly), a former detective turned teacher, who makes a shocking discovery when she finds the body of her 8-year-old pupil. As a once-in-a-generation … Read more