Amateur sleuth Astrid Swift swaps the sporting summer in England for a British expat enclave in Spain, where everyone has a secret for leaving the UK.

Amidst the sun and sangria, something sinister is lurking. A world-famous restaurant has been the victim of a robbery, and soon the perfect seaside town finds itself rattled by a poison-pen campaign that is teasing out its residents' secrets on social media.

With priceless art gone missing – and her own father insistent that his life is under threat – Astrid is called to piece together the puzzle before it's too late for both the town and her father.