Adulterer takes you into the world of adultery through the eyes of the husband, the wife and the other woman. The book sees their relationships from their own perspective, each character justifies their choices, flaws and mistakes with their personal choices of morality.
The novel is split into three books in one, all from the perspective of the husband, the mistress and the wife, within the same time span. The beauty of the novel is, you get to understand the choices the characters made after you've experienced them from another character's perspective.
The novel gives an insight on each character, building from how their past until the present and we get to experience how their backgrounds influenced their decisons.