Back at the station, (Eamonn Walker) continues to clash with Assistant Deputy Commissioner Gorsch . Boden is deeply skeptical of Gorsch’s motives, viewing him as a bureaucratic "babysitter" sent to undermine the firehouse. Their tension peaks over the appointment of a new lieutenant to replace the retiring George Didrikson. Herrmann’s Promotion

Severide, drawing on his own complicated relationship with his father, Benny, finds himself personally invested. While investigators find no initial physical evidence to support the father's claim that a deer caused him to swerve, Severide's gut tells him the man is innocent. After returning to the scene, he eventually discovers evidence—a deer's hoof print—that exonerates the father and prevents a family from being torn apart. Chief Boden vs. Commissioner Gorsch

The episode opens with a dramatic rescue after a car crashes off a bridge. (Taylor Kinney) and the crew of Firehouse 51 save a young boy and his father. However, the situation quickly turns dark when the boy's mother accuses the father of deliberately crashing the car to hurt their son.