Mia Park

When Erin and Jay are called to a shooting at a family home, it appears the father's dark dealings with a dodgy pyramid scheme may be responsible for his loved ones' deaths.

Dr. Charles and Caroline set some major plans, while Ava fights to keep her relationship with Connor. Agent Lee then informs Will of news that may put his life in danger.

After taking the lead on a surgery, Dr Bekker feels the heat after something goes wrong. Dr Manning and Dr Charles are faced with a tough decision concerning a nine year old girl, and April and Dr Reese rush to find the son of a dying patient.

Manning and her 3-year-old patient are trapped in a helicopter as the toddler's stats decline; Charles isn't sure Choi's alcoholic patient with liver failure has quite hit rock bottom.

When a car crashes into the hospital's ambulance bay, Choi is forced to make some difficult decisions.

Halstead treats a woman on the verge of freezing to death, and Dr. Charles' ex-wife receives some concerning news. Plus Choi handles a lymphoma patient with viral meningitis and a complicated family, and Manning makes a house call.