The Watcher at Wren House

Some houses hold their silence differently to others. Wren House sits on a cliff above the Cornish sea, three stories of grey Victorian stone with long watching windows and a room on the top floor that no one has opened in years. It has been waiting, with the particular patience of buildings that have witnessed things they cannot say, for the right person to arrive. Margot Finch is a forensic grief counsellor - a woman who has built her career on reading the architecture of loss in other people.
She is precise, perceptive, professionally brilliant, and privately devastated. Her sister died eighteen months ago. The verdict was accidental. Margot does not believe it. She has been removed from her post - gently, firmly - for pushing too hard, and has retreated to this rented house on the cliffs with one task: finish the book she owes her publisher and prove, if only to herself, that she is fine.
She is not fine. In the village, a name surfaces that no one will speak directly: Iris. A painter who lived at Wren House fifteen years ago. A woman who disappeared without trace, without justice, without anyone pushing hard enough. A woman whose memorial bench faces the house, not the sea - as if still waiting to be found. And in the pub at the foot of the cliff path: a detective inspector with warm eyes and a knowledge of this house that he has never explained, who was the last official voice to ask questions about Iris before the case went quiet.
Grief is not an emotion, Margot has always written. It is an architecture. In The Watcher at Wren House, Catherine Ellory has built something extraordinary: a psychological thriller that works simultaneously as a mystery, a character study, and an unflinching examination of what we conceal from ourselves when the truth becomes unbearable. The suspense is relentless. The ending reframes everything.
And Margot Finch - difficult, dazzling, deeply unreliable - is one of the most compelling narrators in recent fiction. For readers who believe that the best thrillers are also the most honest ones.