When a decorated military veteran is found murdered in his own home, Cosgrove and Shaw work with his daughter to uncover an important clue; Price and Maroun must untangle the stories of other service members to make their case.
A suspect arrested for murder escapes police custody after months of waiting for his day in court; as a hostage situation erupts, Shaw must re-examine his conduct as the arresting officer; Price questions his faith in the justice system.
When a homeless migrant is murdered, evidence leads Cosgrove and Shaw to a mysterious cover-up at a construction site; Price and Maroun push a key witness to testify, knowing that speaking out could lead to legal consequences.
When the young author of a tell-all book is found dead, Cosgrove asks a former mentor for help with the case; Price has an uphill battle in court when a search and seizure is deemed illegal.
A deadly subway shooting has Cosgrove and Shaw racing to find the culprit before another attack is orchestrated; Price and Maroun struggle to put their ethical principles aside when the U.S. Attorney's office pushes for the death penalty in the case.