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 a patient.

Amy, allowed to return to work under strict guidelines, teams up with TJ to treat a patient suffering from mysterious liver problems. Sonya and Jake help an elderly couple navigate the final chapter of their love story.

Amy must confront who she became after a tragedy struck her family 7 years ago. Sonya and TJ disagree on how to handle a sick Marine, and Amy and Jake make a life-changing discovery about an Alzheimer’s patient.

Amy and Sonya endeavor to help a teen in need of a bone marrow transplant and his younger brother whose own health issues jeopardize his ability to donate. Jake deals with a fainting bride and her worried groom. Michael struggles with a secret he’s been keeping.

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.