In the far west of Cornwall lies the White Valley, which cuts deeply through bluebell woods down to the sea at White Cove. The valley has a long and bloody history, laced with folklore, and in it sits a house above the beach that has lain neglected since the war. It comes with a reputation and a strange atmosphere, which is why mother and daughter Magdalena and Mila manage to acquire it so cheaply in the fateful summer of 1954.

In an expensive London restaurant, Julia Lovat receives a gift that will change her life. It appears to be a book of exquisite 17th-century embroidery patterns - but on closer examination, Julia finds it also contains faint diary entries. In these, Cat Tregenna, an embroideress, tells how she and others were stolen out of a Cornish church in 1625 by Muslim pirates and taken on a brutal voyage to Morocco to be auctioned off as slaves.

Isabelle’s estranged archeologist father dies, leaving her a puzzle. In a box she finds some papers and a mysterious African amulet—but their connection to her remains unclear until she embarks on a trip to Morocco to discover how the amulet came into her father’s possession. When the amulet is damaged and Isabelle almost killed in an accident, she fears her curiosity has got the better of her. But Taib, her rescuer, knows the dunes and their peoples, and offers to help uncover the amulet’s extraordinary history.

For too long, Opaline, Martha and Henry have been the side characters in their own lives. But when a vanishing bookshop casts its spell, these three unsuspecting strangers will discover that their own stories are every bit as extraordinary as the ones found in the pages of their beloved books. And by unlocking the secrets of the shelves, they find themselves transported to a world of wonder…where nothing is as it seems.

Present day. Fresh from her divorce, Millie Galton moves into a former inn overlooking the harbour in Mudeford and plans to create her dream home. When a chance discovery behind an old fireplace reveals the house’s secret history as a haven for smugglers and the devastating story of its former residents, could the mystery of a disappearance from centuries ago finally be solved?