Natalie's secretive behavior begins to draw the attention of Dr. Marcel and Dr. Halstead on Chicago Med. "What A Tangled Web We Weave" is the 13th episode of the show's sixth season.
Ellis: What are you not telling him? Maggie: What? Ellis: Halstead. What are you not telling him? Come on. I'm in an iron lung. I have the right to be nosey.