After a failed honey-trap mission for British Intelligence leads to the breakdown of her marriage, French journalist Iris escapes to Dijon, seeking refuge in the cottage of her beloved aunt, Eva. But Eva is gone, the streets are full of distrust, and Iris is soon followed by the very last man she wants to see – the British civil servant and traitor she was tasked with catching, now keen to rekindle their affair.

Eva’s home used to be a comforting place, where the locals sought out Eva’s homemade tinctures and cures and gifted jars of fresh honey from the garden. Now it is a place of danger, where threats loom in every corner. And as Iris spends more time there, she discovers a secret that will change the way she sees her aunt forever – and the course of her own life too…