"It’s been years since Daniel Kennicott’s brother, Michael, was shot and killed the night before he was about to depart for Gubbio, Italy. The case, never solved, has haunted Daniel ever since. Long suspecting the killing was tied to Michael’s planned trip but overwhelmed with grief, Daniel has put off going there—until now, the tenth anniversary of the murder. As he’s about to leave, Daniel learns that his two mentors, detectives Ari Greene...