Jack Gladney, professor of Hitler studies at The-College-on-the-Hill, husband to Babette, and father to four children/stepchildren, is torn asunder by a chemical spill from a rail car that releases an "Airborne Toxic Event" forcing Jack to confront his biggest fear - his own mortality.

A riveting police drama about the men and women of the Chicago Police Department's District 21 who put it all on the line to serve and protect their community. District 21 is made up of two distinctly different groups: the uniformed cops who patrol the beat and go head-to-head with the city's street crimes and the Intelligence Unit that combats the city's major offenses - organized crime, drug trafficking, high profile murders and beyond.