Forgiving, Relentless, Unconditional
During a harrowing call to a structure fire, Herrmann rescues a trapped toddler, but the questionable circumstances surrounding the event sends him on a personal mission to locate the father and get to the bottom of the situation. Severide makes up for lost time by retracing key friendships from his adolescence, while Mills discovers some surprising news. Elsewhere, Cruz and Brett’s relationship comes to a crucial juncture, while Otis develops some unexpected feelings.
Let Him Die
Winter premiere. The firehouse receives unsettling news when two of their own come up missing following a routine call, prompting members of Chicago P.D. to lead the search. Meanwhile, Casey and Dawson have a hard time figuring how to juggle their personal and professional lives. Elsewhere, Chief Boden and Donna struggle with news that their newborn has potential complications and they receive a surprise out-of-town visitor. Richard Roundtree, Jesse Lee Soffer, Randy Flagler, Edwin Hodge, Melissa Ponzio and James Russo guest star.
Nobody Touches Anything
In this crossover episode with Chicago P.D., members of Firehouse 51 are forced to contend with a house fire, but when the injured owner is rescued from his cellar clutching a suspicious box, Lt. Severide brings in Sergeant Voight (guest star Jason Beghe, Chicago P.D.) and Detective Lindsay (guest star Sophia Bush, Chicago P.D.) into the mix for further investigating. Elsewhere, Mills wonders if the dangers of Newhouses’s (guest star Edwin Hodge) off-duty gig are worth the cash returns, while Molly’s II is in dire need of a good chef.
Part 1 of a two-part crossover with Chicago PD. More clues surface surrounding the fire that killed Shay, leading Severide to a most unexpected source who may be able to provide pertinent information. Meanwhile, Shay’s sister Megan (guest star Ellen Woglom) comes to town, prompting members of the firehouse to remember Shay’s life. Elsewhere, Cruz is in for a surprise when Otis’s grandmother moves into their apartment, while Boden finds a way to help his dying father (guest star Richard Roundtree) make the most of his last few weeks. Robert Knepper also guest stars.