The Blade Itself by Marcus Sakey

In this gripping crime thriller, two childhood friends, Danny and Evan, find themselves on opposite sides of the law in the gritty streets of Chicago. Danny, who has turned his life around, is now a successful businessman, while Evan remains entrenched in a life of crime. When Evan resurfaces with a dangerous plan that threatens to unravel Danny's new life, the two are forced to confront their past and the choices that have led them to this point. As tensions rise and loyalties are tested, the story delves into themes of redemption, betrayal, and the inescapable pull of one's roots.