Helen is determined to try and win back Banks's approval asthey attempt to discover the true identity of student Josh'smurderer and stop his father from seeking a revenge of his own.
It's all hands on deck when Firehouse 51 races to the scene ofa deadly chemical leak inside an industrial building. Withsquad and truck tested like never before, scores of workersare rescued but many are experiencing respiratory distress.This prompts truck 81, squad 3 and ambulance 61 to spring intoaction to transport the victims to nearby Chicago Med. Thesituation takes a turn from bad to worse in the midst of thechaos when a "patient" planted inside the hospital goes on asuicide mission armed with a grenade and claiming to be thecarrier of a deadly airborne disease. Trying to stop the madmanfrom engaging the explosive device, a member of the firehouseteam is severely wounded in the blast and left to facelife-threatening injuries. With no other choice, Chicago Medis forced into lockdown until doctors and the Hazmat team candetermine the severity of the airborne virus.
A self-proclaimed "nightlife expert" afflicted by mounting debtand a ballooning ego butts heads with Jon Taffer as he battlesto show him the error of his ways.
With only a few days before Joe Carroll's execution, Ryan andMike shift their focus to a new threat. Meanwhile, after beingapproved to start work again, Max rejoins the task force andcomes dangerously close to a deadly menace.
The results are announced from last week's performances as 1Celebrity and their Professional dance partner are eliminatedfrom the competition. The celebrities perform live for the 4thtime hoping to impress both the judges and the viewers at home.