Drew's flight home with his mother and Rick turns into a medical crisis; Jordan, Shannon, Kenny and Cain tackle an obstacle course fundraiser hosted by Akbar Gbajabiamila; Scott goes on a memorable date.
Drew is forced to re-evaluate his priorities as a new father; the ER is flooded with mass casualty victims from an amusement park disaster; Jordan helps appease Paul and his father; Scott pursues a more active role in the hospital.
When a patient from a distant town needs surgery, Scott is determined to help her; Jordan takes a creative approach to helping a wounded veteran; Drew finds support from an unusual patient; T.C. goes on a daring rescue mission in Syria.
Jordan and Cain figure out their professional dynamic; Drew and Paul must find a way to save a patient's severed hand; Annie shows up to the hospital with an unexpected guest from Scott's past; TC and Amira treat a Syrian child on the base.
A shooting at a nearby college sends night shift members into harm's way; Scott implements a new training program; Drew struggles with frustrations about going to Army Ranger School; Shannon and TC contemplate their future at San Antonio Memorial.