Olinsky's daughter remains in critical condition following amassive fire - leaving Intelligence on edge, but moredetermined than ever to track down the suspect. Voight opens upthe case, knowing that he has Stone and his team's fullsupport in the investigation, and all of Firehouse 51 behindhim to examine potential origins of the fire. Intelligenceworks to connect the dots between the building owner, thosewho were inside, and a string of potential suspects.
