Kaley Ronayne

When New York City experiences a major blackout, police officers scramble to contain the resulting chaos; Frank uncovers some unpleasant truths about his department; Jamie and Eddie question the line between work and their relationship.

A petty officer is found murdered on a golf course; McGee tries to locate a key witness by spending hours on the victim's ham radio; Palmer asks his co-workers to donate to a charity.

Keller calls Hank for help when he suffers an embarrassing medical problem, but Hank believes Keller's new girlfriend may be affecting his health in more ways than one. Divya treats a group of Civil War reenactors who seem to be suffering from a disease more likely to afflict their ancestors. And Evan worries he may be in over his head when he gets roped into a secret project with Boris.

A case turns personal for Conrad when the donor recipient of Nic's heart is admitted to the ER; Bell is faced with a devastating diagnosis.

When a lost child is brought in with physical signs of abuse, Conrad and Cade try to get to the bottom of it; Billie confronts her past.

Conrad confronts a pharmacy owner about fraudulent prescriptions; a street racing accident results in multiple severe injuries.