When the castle she works in is sacked by the army of Prince Edward of England, kitchen maid Agnes Fitzgerald manages to escape north of Inverness to throw herself at the mercy of the Lord and Lady at Ravenscraig Castle. Although safe for now, the people of Scotland are fighting hard for their independence, and the threat of the English hangs heavy over the land. But when Agnes spies Cam Buchanan swimming in the loch, her mind turns away from war and towards love. Agnes even dares to dream of a happy future, until she learns that Cam must go and fight alongside Robert de Brus.

Present day. As a love affair comes to an end, and with it her dreams for her future, artist Selena needs a retreat. The picture-postcard Sloe Cottage in the Somerset village of Ashcombe promises to be the perfect place to forget her problems, and Selena settles into her new home as spring arrives. 1682: Grace Cotter longs for nothing more than a husband and family of her own. Separated by three hundred years, two women are drawn together by a home bathed in blood and magic.

Ireland, 1891. Happy at first to have given her husband the son he longed for, Rosalind Thornton begins to worry about his increasingly erratic spending and volatile moods. When his body turns up in the woods, her guilt remains in question for 130 years. 2019. Fiona Foley needs to put her husband's betrayal behind her. The disillusioned history teacher travels to the sweeping Wexford coast to assist an eccentric descendant of the Thornton family. Can Fiona figure out what really happened on the fateful night Rosalind disappeared forever?

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.

In a house full of history and secrets, the past will not stay where it belongs.... Lou has always loved Hill House, the derelict manor on the abandoned land near her home. As a child, the tragic history of its owners, the Mandevilles, inspired her dream to become a history teacher. But in her late 20s, working in a shop to pay off student debts, life is passing her by. That changes when a family disaster sends Lou’s life into a downward spiral, and she seeks comfort in the ruined corridors of Hill House.