Nick Jandl

Casey and Severide find themselves at odds after Casey argues about how to save a teenager entangled in barbed wire; Otis tries to convince Casey to participate in the beta test for an expensive piece of new firefighting equipment.

The murder of a petty officer in a small town outside D.C. prompts NCIS to once again work with The Sherlocks, a privately funded investigative team.

Deacon is consumed with guilt when an additional aneurysm leaves Beverly brain-dead; Juliette's erratic behavior forces Avery to file for divorce.

Rayna struggles to tend to those around her and deal with Markus' demands; Jeff and Layla argue; Juliette leans on alcohol and pills after experiencing another emotional setback.

Max is brought to Angels Memorial with breathing difficulty; Willis decides to get to the bottom of what happened to his brother's unit.

While Juliette enjoys the attention following her rooftop performance, her team worries she is suffering from postpartum depression; Will learns his private life is about to be splashed across a tabloid; Deacon and Rayna grapple with his diagnosis.