A unique story told over two distinct halves, "Summer" follows Sam, a man drawn to a mysterious island off the British coast where he encounters a group of islanders set on preserving their traditions at any cost. "Winter" follows Helen, a strong-willed outsider who comes to the island seeking answers, but whose arrival precipitates a fractious battle to decide its fate.
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see all options Availability data: JustWatch
- Seasons
- 1
- Episodes aired
- 6
- Latest aired
- S01E06
- Total runtime
- 5h 34min
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S01E01 Friday - The Father
September 14 · 56min find the promo
Show synopsis
After Sam, a London family man in crisis, rescues a troubled young girl in the woods, he brings her home to the ominous Osea Island, where inhabitants are preparing for a curious annual festival involving the island's history. As he meets Osea's secretive locals, Sam grows increasingly desperate to return to the mainland to make an important call - but the island proves difficult to escape.
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S01E02 Saturday - The Son
September 21 · 55min find the promo
Show synopsis
Plagued by a disturbing dream, Sam awakes to find himself in a compromising situation and, having missed the morning crossing to return to the mainland, spends the day trying to learn more about the islanders’ beliefs. After a series of confusing and terrifying events leaves him shaken, Sam quickly plots a way off Osea with Jess, but is convinced to stay put as the islanders prepare for a dry run of their big event.
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S01E03 Sunday - The Ghost
September 28 · 54min find the promo
Show synopsis
Sam is shocked to learn the truth about his connection to Osea and the islanders’ intentions for his future. Later, in a fight for his life, Sam tries desperately to escape their clutches and make it back to the mainland in one piece.
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S01E04 Monday - The Mother
October 5 · 55min find the promo
Show synopsis
Winter. Helen surprises her two daughters, Tallulah and Ellie, with a trip to Osea Island for Ellie's birthday. After finding that the cottage she booked is suspiciously no longer available, Helen scours the island for a place to stay, but finds resistance at every turn.
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S01E05 Tuesday - The Daughter
October 12 · 57min find the promo
Show synopsis
As the islanders prepare for a fateful birth, Helen reveals her true intentions in coming to Osea and, after joining a search party, is pressed on her past. A peculiar girl befriends Ellie and offers to take her to a mysterious place closed off to outsiders.
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S01E06 Last Day - The Dark
October 19 · 57min find the promo
Show synopsis
Helen protects her family as tensions come to a dramatic conclusion.