TC and Paul pull out all the stops when a crane collapses on a worker at a busy construction site. As Paul works tirelessness to save the crush victim, an observer falls into a deadly gravel pit. TC throws himself into the pit and races to save the patient before he's swallowed by the shifting gravel. Back at the ER, Scott is shaken as the teenage boy he paralyzed returns to the hospital with new complications. Jordan lends support as the emotional case exposes complicated feelings from the past. Meanwhile when a life-saving donor matches with cystic fibrosis patient, Brianna, Drew determines the depth of his feelings for her.

A shooting at a nearby college sends TC, Jordan, Drew and Amira into the field, where they assist Rick with a deadly situation. Scott implements a new training program and locks horns with Julian. Drew struggles with frustrations about going to Army Ranger School while Shannon and TC both contemplate their future at San Antonio Memorial.