This article was originally published on onechicagocenter.com as Chicago Fire star hints things are about to get 'awkward' for one central couple.

The crossover starts at 8 p.m. with "Chicago Fire" followed by "Chicago Med" at 9 p.m. and "Chicago P.D." at 10 p.m.

The latest One Chicago crossover, 'Into the Trenches,' put Chicago’s finest to the test. The TV event had fans of Chicago Fire, Chicago Med, and Chicago P.D. glued to their screens for a full three ...