Discusses epilepsy, a neurological condition that makes people susceptible to seizures brought on by a brief electrical disturbance in the brain. Explains the different kinds of seizures, treatment options, and what to do if someone has a seizure. Includes interviews with a teenager who has epilepsy and her recently diagnosed younger sister. Talks to leading experts in the field of epilepsy research. Listens to a group of teenagers as they discuss what it's like to live with epilepsy.