With a Brave Heart – In the Season 4 finale, Dr. Charles and Caroline set some major plans. Ava fights to keep her relationship with Connor. Agent Lee informs Will of news that may put his life in danger
Forever Hold Your Peace – Caroline has news to share, forcing Dr. Charles to make a serious decision about their relationship. Maggie meets her sister’s new boyfriend, but discovers danger may lie ahead. Dr. Rhodes experiences a devastating loss while Dr. Choi and April are faced with an unexpected challenge that strengthens their relationship.
More Harm Than Good – Dr. Charles and Dr. Manning disagree on how to handle a patient who they discover is poisoning herself. Dr. Rhodes throws some serious accusations at Dr. Bekker. Dr. Halstead has suspicions about Natalie’s new boyfriend and Dr. Choi tends to Bernie.
Never Let You Go – The hospital goes into lockdown mode when a man with a gun holds medical staff hostage. Goodwin is forced to make a tough decision. Dr. Rhodes begins to realize his time with his father is getting short.
Tell Me the Truth – Dr. Rhodes receives an alarming phone call that causes him to rush out in the middle of a surgery. Dr. Halstead comes to the aid of an FBI agent who is brought into the ER, but he suspects there is more to the story than he is being told. Dr. Manning and Dr. Choi find themselves on opposite sides of a major disagreement over doctor patient confidentiality.
The Space Between Us – A car unexpectedly smashes through the ambulance bay doors, forcing Dr. Choi to make some difficult decisions in an effort to save a worker trapped beneath the wreckage and April, who’s also in danger. Dr. Rhodes and Dr. Bekker tend to a patient whose best chance at survival is an extremely risky heart surgery. Dr. Charles struggles to come to terms with ex wife Caroline’s treatment.
Old Flames, New Sparks – Natalie and Will grow further apart. Dr. Charles struggles to come to terms with his feelings toward his ex wife. The personal issues between Dr. Rhodes and Dr. Bekker continue to cause problems at the hospital.
We Hold These Truths – Natalie and Maggie witness a pickup truck plow through a street fair, and 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.
Can’t Unring that Bell – Will’s personal issues continue to interfere with his relationship with Natalie and his life at the hospital. Dr. Bekker tries to mend things with Dr. Rhodes. Goodwin questions Maggie’s life-threatening decision and Dr. Charles tries to lend a hand to the daughter of a new friend.
Ghosts in the Attic – Dr. Halstead withholds some important information from Dr. Manning and she begins to question his suspect behavior. Dr. Choi comes to some difficult conclusions involving April over a patient’s care. An incident in the OR involving Dr. Bekker at the hands of Dr. Rhodes may have serious implications.