The ninth book to feature the classic crime-solving Detective Chief Inspector Wexford.

Angela Hathall is found strangled in her bed but, shockingly, the murder of this meek and solitary woman sparks little emotion from her husband. Called in to investigate, Wexford's curiosity only deepens when he discovers that the Hathall household has been meticulously cleaned but for a single distinctive palm print.

As the case develops Wexford is increasingly frustrated by the seemingly pointless nature of the murder. There is no motive, no weapon and no suspect. Nothing except the unidentified print.

But despite the sparse evidence, Wexford is convinced Hathall is hiding something. So when Wexford is taken off the case he decides to take matters into his own hands...