Conspiracy of Blood by Katarzyna Bonda.
Sasza decides to return to the police, but first she must ensure the safety of her daughter by putting to rest the demons evoked by terrifying ordeal which led her to leave Poland for seven years in England. No sooner has she begun the process, however, than she is drawn into the deeply disturbing case of a woman who has disappeared from a village - and she is not the first to do so. The roots of the crime seem to reach all the way back to the dark enmities of the second world war.
A good read. Likeable story and characters. 3*.

Well written with an utterly comeplling storyline and well developed characters. It was gripping right from the very start and I couldn't put it down. Fast paced and full of twist, I didn't guess what was coming. A good read.