As Danny consults a psychic to solve the murder of a youngboy, Frank is at odds with the mayor over how best to protectthe city from an uptick in crime following a high-profileshooting. Also, Erin investigates a decades-old case in whichthe primary eyewitness to the killing is her boss, D.A.Kimberly Crawford (Roslyn Ruff), who was 13 years old at thetime.