Devotion is, like the word, a multi-meaning title. There is the religious meaning, which could be said to be the main thread of this novel, but also interwoven are other meanings of the word regarding relationships to each other, to work, and buried within the text, the brand name of a perfume. And this text is full of meanings for so many other facts and emotions of the characters.
Logan is supposedly the doctor appointed to assess the mental state of April, the patient about to stand trial for murder. Yet both are in emotional turmoil. But by the time you get to the end of the book y