[s1e4] One Minute Today

: Detective Hank Voight (played by Jason Beghe) escalates his intimidation tactics against Lieutenant Matthew Casey. Voight is desperate to stop Casey from testifying against his son, Justin, following a drunk-driving accident that paralyzed another person. Personal Struggles :

: The idea that 60 seconds can change the course of a career or a life is a recurring motif throughout the episode's pacing. Cast and Production Highlights [S1E4] One Minute

"One Minute" is crucial for new viewers because it establishes the crossover dynamic. Detective Voight, who would eventually lead his own spin-off series, is at his most villainous here, providing a stark contrast to the heroism of the firefighters. : Detective Hank Voight (played by Jason Beghe)