District 21 of the Chicago Police Department is made up of two distinctly different groups. There are the uniformed cops who patrol the beat and go head-to-head with the city's street crimes. And there's the Intelligence Unit, the team that combats the city's major offenses--organized crime, drug trafficking, high-profile murders, and beyond.
Burgess fights for her life. Dep. Supt. Sam Miller is desperate to find her s...