Chicago P.D. (2014)

S12E11 In the Trenches (III)

As the suspects remain elusive and the situation underground deteriorates, first responders urgently work to save the victims trapped below. Meanwhile, the investigation into the attackers intensifies. This crossover unfolds in Chicago Fire S13E11 In the Trenches (I) and continues in Chicago Med S10E11 In the Trenches (II).