Costa del Sol, Spain: When expatriate fugitive Jack Cleland watches his girlfriend die, gunned down during a pursuit involving officer Cristina Pradell, he swears to destroy the policewoman in revenge. Cristina's Aunt Ana has been deaf and blind for the entirety of her adult life, and this vulnerable woman is the center of Cristina's world—and Cleland's cruel plan. Peter May's 2020 standalone novel features irascible Scottish investigator John Mackenzie, who is dispatched to aid Spanish authorities in their manhunt before Cleland can perpetrate a vicious and senseless crime.