Jamie and Frank oppose each other's viewpoints over the public's treatment of cops after rowdy teens pour water on two rookies. Danny and Baez investigate a man who preys on the elderly. Erin is forced to admit her wrongdoings when Jack brings her an old case and claims a man she put away was falsely convicted.
Red alerts the FBI to the suspicious death of a scientist specializing in artificial intelligence research. Francesca Campbell further entangles herself in Red’s criminal activities.