[s8e4] Infection, Part I Here

: Shortly after, Ambulance 61 discovers two more victims dead from the same infection in a private residence.

The horror starts at a where several first responders are relaxing.

The episode ends on a high-tension cliffhanger as the team realizes the perpetrator is still at large and has a broader, more deadly plan for the city. [S8E4] Infection, Part I

: Additional cases surface, including a woman and her child at a gas station, leading the CDC to step in as the situation escalates into a full-scale city epidemic. Investigation and Suspicion

If you'd like, I can provide a summary of the conclusion in and Part III (Chicago P.D.) or dive deeper into: : Shortly after, Ambulance 61 discovers two more

: Amidst the chaos, Joe Cruz plans to propose to his girlfriend Chloe , but she tells him their relationship is moving too fast and breaks up with him, leaving him devastated.

: Investigations by the Office of Fire Investigation (OFI) confirm the university fire was deliberately set to destroy evidence in a lab that was actually researching treatments for this specific bacteria. : Additional cases surface, including a woman and

( S8E4 ) serves as the explosive opening to a massive three-part One Chicago crossover event, weaving together the worlds of Chicago Fire , Chicago Med , and Chicago P.D. .