Dr. Halstead gets an unplanned visit from the CPD while Ethan is skeptical of a woman who is experiencing chronic pain. Natalie tends to a cancer patient whose brother has strong feelings on why he is refusing to lend his assistance.

Arden Cho, C.S. Lee, Casar Jaime, Casey Tutton, Colby Lewis, Courtney Rioux, Cruz Ganzalez-Cadel, Curlie Curry, David Goodloe, Filipe Valle Costa, Greg Poljacik, Heather Headley, Jason Beghe, Jeremy Shouldis, Jesse Lee Sofer, Kayli Carter, Keith D. Gallagher, Mia Park, Molly Bernard, Naïma Hebrail Kidjo, Nate Santana, Peggy Jo Jacobs, Tonray Ho, Tyler Gabrielle Brown