A year ago Sophie Wickham stumbled into the isolated Lancashire village of Withered Hill, naked, alone and with no memory of who she is. Surrounded by a thick ring of woodland, its inhabitants seem to be of another world, drenched in pagan, folklorish traditions. As Sophie struggles to regain the memories of her life from before, she quickly realises she is a prisoner after multiple failed escape attempts. But is it the locals who keep her trapped, with smiles on their faces, or something else, lurking in the woods?

It’s the height of the industrial revolution and ten years into Lenore’s marriage to steel magnate Henry, their relationship has soured. When Henry’s ambitions take them from London to the remote British moorlands to host a hunting party, a shocking carriage accident brings the mysterious Carmilla into their lives. Carmilla, who is weak and pale during the day but vibrant at night. Carmilla, who stirs up something deep within Lenore. And before long, girls from the local villages fall sick, consumed by a terrible hunger . . .

Muriel McAuley has lived in the Scottish fishing village of Witchaven all her life. She was born there, and she intends to die there. But when an overseas property developer threatens to evict the residents from their homes and raze Witchaven to the ground in the name of progress, all seems lost . . . until the day a mysterious fog bank creeps inland.

This forest isn't charted on any map. Every car breaks down at its treeline. Mina's is no different. Left stranded, she is forced into the dark woodland only to find a woman shouting, urging Mina to run to a concrete bunker. As the door slams behind her, the building is besieged by screams. Mina finds herself in a room with a wall of glass, and an electric light that activates at nightfall, when the watchers come above ground. These creatures emerge to observe their captive humans and terrible things happen to anyone who doesn't reach the bunker in time.

For nearly two decades, Jamie Warren has been running from darkness. He's haunted by a traumatic childhood and the guilt at having disappeared from his disabled brother's life. But then a series of unusual events reunites him with his estranged brother and their childhood friends, and none of them can deny the sense of fate that has seemingly drawn them back together. Nor can they deny the memories of that summer, so long ago—the strange magic taught to them by an even stranger man, and the terrible act that has followed them all into adulthood.