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.

LAPD liaison Marty Deeks helps the team find an infamous socialite connected to a Navy officer's murder.

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.

Markus is not prepared for a televised concert in support of his new album launch; Luke is faced with another setback; Deacon and Rayna face a decision.

Juliette hits a career high, including singing a duet with Steven Tyler, but her personal life plummets; Avery takes care of baby Cadence at his parents' home in Texas; Rayna deals with the aftermath of Deacon's liver transplant.

Juliette's pattern of volatile behavior continues with her breaking down during a TV interview; Rayna works to sign a rock star to Highway 65 to prove the label isn't just a vanity project.