It starts with heavy legs and shaking hands. Ketchup bottles almost drop to the supermarket floor; shampoo drips down my face as I wait to regain control of my arms. You can do it, I say to myself, crossing the street. Such tasks are no longer without effort. Her journey begins with a diagnosis: Progressive Multiple Sclerosis. Follow Cathy as she perseveres through the unexpected jerks and twists of her illness, and redefines for herself who she is.