The setting of this mystery (first of three) is interesting: The Faroes, an island group between Iceland and Norway (but belonging to Denmark) with a population of 45,000. Like Peter May's books (set in the Hebrides) or Anne Cleve's (set in the Shetlands), Ould's chosen setting gives the book a slightly different feel than I aam used to. The main character, Jan Reyna, left the Faroes with his mother when he was three. She killed herself when he was five, and he was raised by his aunt and uncle. His only contact with life in the Faroes came when he returned as a teen to accost his father, who had not sought to raise him (or so he assumed), and to find out what had driven his mother to leave. He still doesn't know why she left or why she committed suicide, but he does know that his father has had a stroke after involvement in something suspicious.
Reyna is now an English police inspector. He is under suspension for something about an investigation that went wrong, so he lingers in the Faroes even after it becomes clear that his father won't recover. He is a cop, after all, and the circumstances of his father's stroke (a discharged shotgun, someone else's blood on the outside of his car, a bruise to his head) catch his interest, just as his need to unravel the circumstances of his mother's life remains strong. He finds that he has two half-brothers (one hostile and one welcoming), an aunt, and several cousins, all of them somehow connected both to his mother's history and his father's fate.
The book's plot unfolds in a leisurely fashion (maybe a mark against it), but the characters are of interest; e.g., the cop who is in charge of the investigation, the cousin who describes herself as a counselor but is a psychotherapist, the welcoming brother, and Reyna himself. If the crime's solution is a bit of an anticlimax (though it works once I thought about it a bit, hinging on a mildly brilliant assumption by the murderer), the set-up for the next two books is strong, and there are more things to learn about Reyna.