[s1e3] Professional Courtesy Apr 2026

Witness the intense introduction of Detective Voight and the start of his long-running rivalry with Lieutenant Casey: A Warning | Chicago Fire One Chicago YouTube• Apr 22, 2020 Key Plot Developments

: Casey refuses to be intimidated by Voight , officially filing the report and setting off a multi-episode rivalry that defined the show's first season.

: Kelly Severide learns he has a fractured vertebra but chooses to hide the severity of his injury and use painkillers to keep working. [S1E3] Professional Courtesy

: Despite the external threats from Voight , the crew of Firehouse 51 pools their money—originally intended for a new TV—to build a wheelchair ramp for the paralyzed victim.

: Characterized as a "dirty cop" from the start, Voight uses threats and intimidation to protect his son, Justin. Witness the intense introduction of Detective Voight and

In the Chicago Fire episode (Season 1, Episode 3), the "deep feature" is the introduction of Hank Voight . This episode serves as the origin point for the character who would eventually lead the spin-off series, Chicago P.D. .

If you'd like to dive deeper into the Chicago franchise, I can provide: on the Casey vs. Voight rivalry resolution Character arcs for Severide or Mills in Season 1 Viewing order for One Chicago crossover events : Characterized as a "dirty cop" from the

"Chicago Fire" Professional Courtesy (TV Episode 2012) - IMDb