[s1e3] Professional Courtesy May 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

: Lieutenant Casey faces extreme pressure to cover for a drunk driver who paralyzed a teenager—only to discover the driver is the son of Detective Hank Voight. [S1E3] Professional Courtesy

: Kelly Severide learns he has a fractured vertebra but chooses to hide the severity of his injury and use painkillers to keep working. Witness the intense introduction of Detective Voight and

: Characterized as a "dirty cop" from the start, Voight uses threats and intimidation to protect his son, Justin. [S1E3] Professional Courtesy