Richie Krebbs is an ex-cop, a walking encyclopedia of crime and criminals who chafes at bureaucracy. Frank Robey quit the FBI and joined the Detroit PD, obsessed with the case of a missing child and unwilling to leave the city before she was found. When Richie unearths a possible clue in one of Detroit's many abandoned homes, it puts him on a collision course with Frank-and with depths of depravity that neither man could have imagined. How do people who dwell in the darkest places-by profession or predilection-maintain their connection to the world of light and humanity? Richie and Frank will...