Francesca Castillo tells the story of Kevin Devine, an ex-Army major suffering from PTSD and grieving for the loss of his wife. In an attempt to pull himself out of the dark place he's become stuck in, he journeys to Spain to stay in an idyllic rural hotel, Casa Del Castillo.

Here he encounters the beautiful and mysterious Francesca Castillo, a meeting that will change his entire life. But in a place - and a world - where nothing is as it seems, how does Kevin know who he can trust?

A thrilling tale played out in various exotic locations all over Europe and Africa, Francesca Castillo is full of adventure, mystery, and intrigue, and its ever-twisting plot will keep you guessing right up to the end.