Police drama following the Intelligence Unit officers of the Chicago Police Department as they tackle cases involving murder, organised crime and drug trafficking in the Windy City. Starring Jason Beghe. The riveting drama about the men and women of the Chicago Police Department\'s elite Intelligence Unit. Combatting the city\'s most heinous crimes, these detectives put it all on the line to serve and protect their community. At the helm of the Intelligence Unit is Sergeant Hank Voight, a man not against crossing legal and ethical lines to ensure the safety and security of the city he loves.