Ricardo Gutierrez

Lindsay has second thoughts about the task force; Platt's new, sunny demeanor results in curiosity.

Chasing Monsters. Antonio finds himself getting close to the Salvadoran Detective, Marcella Gomez, only to learn she has a hidden motive for being in Chicago. Meanwhile, Voight learns that the body of his son's killer has been found.

Tom Kane is diagnosed with a neurological disease but must remain focused on his role in an upcoming gubernatorial primary.

With Zajac's campaign gathering steam, Kane needs to adjust to his health situation.

In the aftermath of the Steelgrave case, Vinnie tries to vindicate himself of his lingering feelings of betrayal by risking his life to save an old friend.

Kane takes an unannounced break from City Hall as his political image hits an all-time low.