It begins with numbness on her left leg. Then it spreads. Even though an MRI finds a "mass" on her brainstem, it takes two more years for Meredith O'Brien to learn what is causing that numbness. Months after her 65-year-old mother dies from a fast-moving cancer, weeks after her father is hospitalized and she experiences an unexpected job change, she learns she has multiple sclerosis. Suddenly, Meredith, a married mother of three teens, has to figure out how to move forward into a life she no longer recognizes. Reimagining her life as a writer and an educator, as a mother and a spouse, she has to adjust to the restrictions MS imposes on her. It is a life, altered.