April receives unfortunate news that makes her question her future with Ethan. Dr. Charles and Maggie see tough times on the horizon. Natalie’s memory from the accident starts to return.

Dr. Charles evaluates a 15-year old who is brought into the E.D. after an apparent fall off an overpass. Will sides with Dr. Asher on a risky treatment plan. Tensions…

Gallo, Violet and Ritter debut their microbrewery business at Winterfest. Brett prepares to present her paramedicine program to an oversight panel. Firehouse 51 gets in the holiday spirit.

Tension builds when a group of rabble-rousers attempt to lock down the firehouse. Brett is faced with a monumental decision. Cruz readies himself for a big day. Gallo and Ritter…

When the squad’s rig breaks down in the field, Casey reunites with his old friend and colleague Jason Kannell from Squad 6. Dawson and Brett serve their time in retraining….