Chicago PD S12E11 - In the Trenches (3)

When a gas explosion rocks a high-rise, Chicago':s firstresponders come out in force to rescue hundreds of civilians.It's the calamity beneath the surface, however, thatsends our heroes on a race to save 40 people trapped deepunderground, including two of their own.The crossover startson Chicago Fire S13E11 In the Trenches (I) and Chicago MedS10E11 In the Trenches (II).