Jamie's pushy friend of from high school Alison Gable, who is now a true-crime blogger, comes to him with evidence on a cold case. Skeptical, Jamie brings it to Erin and Anthony's attention, and they work together to determine the truth about her wheelchair-stuck suspect Boris Vache. After Danny's neighbor Sal Marino is injured in a drive-by shooting, leaving his student son Scott furiously frustrated the cop seems useless, Danny and the investigating detective, who has jurisdiction given he works in a different district, are at odds over their differing methods. The rented sports car is traced to another neighbor. Former NYPD detective Douglas McKenzie, who resigned a year prior, reveals information about a suspected crime ring to Frank, who reacts non-trusting. Despite Garrett and Gormley's apprehension, Frank ultimately asks McKenzie to rejoin the force.
—KGF Vissers