|"We Hold These Truths"|
|Season 4, Episode 15|
|Air date||February 20, 2019|
|Written by||Eli Talbert & Paul R. Puri|
|Directed by||Nicole Rubio|
"Can't Unring That Bell"
"Old Flames, New Sparks"
After witnessing a pick-up truck plow through a street fair, Natalie and Maggie are forced to make some tough decisions on the fly. The doctors and nurses of Chicago Med find themselves on high alert with the influx of patients arriving in need of aid. Dr. Charles ex-wife comes to town with news.
- Brian Tee as Dr. Ethan Choi
- Colin Donnell as Dr. Connor Rhodes
- Marlyne Barrett as Maggie Lockwood
- Nick Gehlfuss as Dr. Will Halstead
- Norma Kuhling as Dr. Ava Bekker
- Oliver Platt as Dr. Daniel Charles
- S. Epatha Merkerson as Sharon Goodwin
- Torrey DeVitto as Dr. Natalie Manning
- Yaya DaCosta as Nurse April Sexton