When Chief of Internal Medicine Dr. Amy Larsen suffers a catastrophic brain injury, her life is turned upside down. Still determined to once again practice medicine, she charts a new path forward, ready to face whatever obstacles stand in her way.

While at the hospital recovering, Amy can’t help but insert herself into her roommate’s case. Meanwhile, all the other doctors and nurses have to adjust to the once formidable Chief now being the patient.

Amy must confront who she has become after the tragedy that struck her family seven years ago. Sonya and TJ disagree on how to treat a sick Marine, and Amy and Jake make a life-changing discovery about an Alzheimer’s patient.

It’s a race against time as Amy and Jake try to uncover the cause of a unique patient’s worsening condition. Gina treats a quirky hypochondriac, and Amy makes a shocking discovery about her pre-accident love life.