The shooting of two black men by a white woman in a crowded subway initially appears to be a case of self-defense, but further investigation reveals revenge as a possible motive.

Logan crosses the line in order to obtain a confession from the man suspected of murdering Max Greevey. Stone finds that his prosecution is placed in jeopardy because of Logan's actions.

A 17-year-old boy becomes the chief suspect in the murder of his father, raising questions of self-defense and abuse that the family does not want to face.

When Briscoe and Logan suspect that a missing infant may have been murdered by her parents rather than kidnapped, they uncover a terrible family secret which hides a mentally ill serial killer.