When Francesca returns to New York for a month, Dev plays tour guide and finds himself caught in a whirlwind of confusing emotions.

Special Agents Maggie Bell and OA Zidan investigate the death of a safety inspector and its possible connection to a leak at a nuclear power plant.

Danny and Baez investigate the death of an elderly woman who was shot in her home by a stray bullet. Also, Frank faces ridicule from his department when he disciplines…