Christopher Allen

When Jess gets nervous about starting her new position as principal, Nick and Schmidt decide to take her on a relaxing day trip to Solvang, which quickly goes “sideways.” Meanwhile, with Cece’s help, Winston tries to finalize his divorce from Rhonda, but finds that he and Aly are caught in a series of never-ending pranks.

Lt. Severide (Taylor Kinney) has his strong ideas on who the serial arsonist is, but first needs to find proof to back up his suspicions. Meanwhile, Lt. Casey (Jesse Spencer) adjusts to his new lifestyle in the wake of recent events and Molly's bar is failing, much to the dismay of owners Hermann (David Eigenberg), Dawson (Monica Raymund) and Otis (Yuri Sardarov). Elsewhere, Dawson goes out on a date with Jay Halstead (guest star Jesse Lee Soffer), one of the bar regulars, and Mouch's (Christian Stolte) campaign trail starts to get on track with the aid of Isabella (guest star Mena Suvari), an old friend of Dawson's.

Brett waits for life-changing news. Herrmann encounters a psychic with a grave warning on a call. Kidd finds a new lead on the Homeland Security case.

Det. Pryma asks for Severide's help on a case involving explosives. Gallo and Carver clash after Gallo improvises on a call. Violet encourages Brett to start dating again.

A familiar face returns to Firehouse 51 to serve with Kidd on a special task force.