A man and a woman make separate journeys to a mysterious island off the British coast.
Cast:Jude Law , John Dagleish , Mark Lewis Jones , Paddy Considine , Emily Watson , Joe Blakemore , Katherine Waterston , Freya Allan , Börje Lundberg , Amar Chadha-Patel , Stanley Auckland , Tom Lawrence , Lauren Byrne , Naomie Harris , Nico Parker , Charlotte Gairdner-Mihell , Jessie Ross , Paul Kaye
Sam is drawn to a mysterious island off the British coast. There he discovers an idyllic world from which he finds himself unable to leave. Isolated from the mainland, the rituals of the island begin to overwhelm him, immersing him in a quest in which he grapples with his traumatic past.
As Sam continues to look for a way off the island, he and Jess stumble across a series of bizarre events.
After waking up in a strange house, still tripping and scared, Sam is determined to escape and flee the island for good. But, what more secrets lie in Osea?
Helen and her two daughters, Ellie and Talulah, travel to the island for surprise birthday trip, but find themselves faced with hostility and resentment from the locals.
Helen tends to a fateful birth and is questioned about her past, while a peculiar girl rouses Ellie's interest.
With a battle for power brewing, Helen and her family find themselves trapped in the middle.