What is One Chicago?

'One Chicago' is a television franchise created by Dick Wolf that encompasses several interconnected drama series set in Chicago, Illinois. The franchise includes shows such as Chicago Fire, Chicago P.D., and Chicago Med, all of which follow the lives of first responders and medical professionals in the city. The series frequently feature crossover episodes where characters and storylines intersect, offering viewers a dynamic and immersive viewing experience. 'One Chicago' is praised for its realistic portrayal of public service jobs and its strong ensemble casts.