Dawson (Monica Raymund) and Casey (Jesse Spencer) do everything they can to locate Bria's (guest star Quinn Cooke) whereabouts after discovering important new information. Lt. Severide (Taylor Kinney) reunites with Chief Grissom (guest star Gary Cole), and old family friend. Meanwhile, Cruz (Joe Minoso) enlists the help of Brett (Kara Killmer) and Mouch (Christian Stolte) to create a new tool and Kidd (Miranda Rae Mayo) and Zach (guest star Daniel Di Tomasso) go on a date.
Tia finds herself making enemies after she gives a powerful speech against Paul Evans and the Chicago Police Department. Also, Paul’s life takes an upturn after he performs a heroic act that makes him a momentary hero.