: Severide is convinced that Kevin Hadley, a former Firehouse 51 colleague with a grudge, is behind the recent string of fires. When Severide confronts him, Hadley taunts him to "prove it" .
: Following Heather Darden's DUI accident and subsequent 15-month jail sentence, Matt Casey takes on the full-time responsibility of caring for her two sons, Griffin and Ben. Prove ItChicago Fire : Season 2 Episode 2
Investigating arsonist Hadley and dealing with Renee's paternity confession. : Severide is convinced that Kevin Hadley, a
In (Season 2, Episode 2), the crew of Firehouse 51 faces escalating threats from an arsonist while personal crises reach a breaking point for Severide and Casey. Key Plot Points Prove ItChicago Fire : Season 2 Episode 2