Sgt. Wayne Jenkins gives a lecture to cadets, while investigators Erika Jensen and John Sieracki question Momodu Gondo about his connection to a known drug dealer. Attorney Nicole Steele looks into complaints against notorious cop Daniel Hersl. Then, after an overdose death in Hartford County, David McDougall tracks the source of the drugs to Baltimore.

In his first days on the job, Jenkins learns the true weight of city politics in policing. Jensen and Sieracki interview an eager to talk Jemell Rayam about the GTTF’s tactics. Sean Suiter is assigned to a new murder case, McDougall links with Scott Kilpatrick to take their case to the Feds, and Steele hears from Hersl’s vocal critics.