Mercia, 788 AD. In the grand Saxon halls of Mercia, King Offa rules with cold ambition. His youngest daughter, Eadburh, is destined for an arranged marriage, but with reckless spirit, her heart is taken by a Welsh prince, a man she can never be matched with and who is quickly and cruelly taken from her. Offa’s Dyke, 2021. In a cottage hidden amongst the misty Welsh hills of Offa’s Dyke, Bea Dalloway is called to help Simon Armstrong, who is searching for peace. Instead he finds himself disturbed by unsettling noises and visions.

The parish of Manningtree and Mistley has a dark history. In 1644, Cromwell's Witchfinder General tortured scores of women there, including Liza the herbalist, whose cottage still stands. Some say the spirits of his victims still haunt the old shop on the High Street. Emma Dickson gave up her high-flying career to live in Liza’s cottage, but as Halloween approaches, visions of a terrible past are driving her to madness. In despair, Emma turns to the local rector for help, but he, too, is in the grip of something inexplicably dangerous.

On the banks of the River Deben in Suffolk lies a set of barns dating back to the Anglo Saxons. Within their walls, secrets have been buried deeply. Zoe and Ken have just moved into one of the barns, ready to start a new life away from the hustle and bustle of the city. To the outside world they seem like an ordinary couple, but underneath they are growing more distant by the day. And when Zoe becomes close to local recluse, Leo, she finds her attraction to him undeniable.

Hay-on-Wye, 1400. War is brewing in the Welsh borders. Catrin is on the brink of womanhood and falling in love for the first time. Her father is a soothsayer playing a dangerous game, playing on the mixed loyalties and furious rivalries between Welsh princes and English lords. For 200 years the Welsh people have lain under the English yoke, dreaming of independence. And finally it looks as though the charismatic Owain Glyndwr may be the man legend talks of.

In a childless and unhappy marriage, Clare Royland is rich and beautiful—but lonely. And fueling her feelings of isolation is a strange, growing fascination with an ancestress from the distant past. Troubled by haunting inexplicable dreams that terrify—but also powerfully compel—her, Clare is forced to look back through the centuries for answers. In 1306, Scotland is at war. Isobel, countess of Buchan, faces fear and the prospect of untimely death as the fighting surrounds her.