Dr. Charles shooting affects most everyone, executive producer Andrew Schneider says.
Those three months will have been pivotal for all three pairings.
Theyll also be crucial for Dr. Charles protege, Sarah Reese (Rachel DiPillo).

Credit: Elizabeth Sisson/NBC
The emotional impact Dr. Charles shooting has on her will be quite profound, Schneider explains.
But it also raises the debate of how you provide security for medical staff?
Is it dangerous treating psychiatric patients?
Are the doctors put at risk?
Also facing tough questions in the premiere and beyond will be Sharon Goodwin (S. Epatha Merkerson).
It seems to be, in the nation, the No.
See how that all plays out whenChicago Medreturns, starting Tuesday at 10 p.m. on NBC.