After suffering a brain injury, Dr. Amy Larsen finds herself in an unfamiliar realm where the past eight years of her life have been wiped clean from her memory. With only her estranged 17-year-old daughter, whom she recalls as a 9-year-old, and a few loyal friends by her side, she faces the daunting task of navigating this new reality. Despite the setback of losing almost a decade's worth of knowledge and experience, she perseveres in her pursuit of practicing medicine.