“The Crown” star Claire Foy is set to lead a new thriller from streamer BritBox U.K.

Eight-part thriller “Marlow,” from Motive Pictures and Endeavor Content, centers on feuding families the Marlows and the Wyatts, who have existed in the “Edgelands” of the Thames Estuary for centuries.

Foy stars as Evie Wyatt, who was born and bred in the Estuary and returns to the Edgelands — the place she lost her father to a firestorm 15 years ago — in search of answers. However, drawn back into conflict with the Marlow clan, Evie finds herself in a battle with its ageing patriarch, Tom Marlow.

The very British thriller draws on “ancient tales of revenge and fate” as well as local myths and legends. The series, which is due to go into production this fall, is created by BAFTA-winning screenwriter Tony Grisoni (“Southcliffe”) and Simon Maxwell (“Deep State”), who will both executive produce alongside Foy.

Motive Pictures was established in 2019 by CEO Maxwell, who was previously head of international drama at Channel 4. It is backed by Endeavor Content.

Foy said: “I’m delighted to be a part of this compelling thriller. Tony and Simon’s scripts are so evocative of place and redolent with atmosphere — and the twists, turns and mysteries at the heart of this drama are utterly gripping. Evie Wyatt is such a captivating, complex and beguiling character, much like the enigmatic ‘Edgelands’ which she calls home, and I can’t wait to get to step into her shoes.”

Will Harrison, managing director BritBox UK, said: “’Marlow’ is a daring and intriguing concept, and exactly the kind of original content we want to offer our subscribers. Working with the calibre of Claire Foy, Tony Grisoni, Simon Maxwell and the Motive team is a privilege and we can’t wait to get started.”

Maxwell and Grisoni added: “The Thames Estuary’s ‘Edgelands’ offer a unique and extraordinary world of mud, sea and infinite sky; of broken politics and dreams — the Thames mouth is at once a gateway to the world and the last wild frontier of our island existence. ‘Marlow’ is a uniquely homegrown saga, a character driven crime epic about where we’ve come from; who we are now; what we might become. We are thrilled to be working with the extraordinary talents of Claire Foy and, as the home for the boldest new British drama, BritBox is the perfect home for our show.”

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