Susannah Cahalan was a 24-year-old reporter with a burgeoning career and a new relationship when she suddenly found herself on the precipice of madness. Hospitalized with no recollection of her admission, she was confined as a flight risk, exhibiting violence and severe psychosis. What ensued was a harrowing journey through a labyrinth of medical mysteries. Doctors were stymied by her symptoms, which spiraled into catatonia and near death. Her plight not only tested her own resolve but also the unwavering faith of her family. In the nick of time, Dr. Souhel Najjar's diagnosis of a rare autoimmune disorder targeting the brain offered a lifeline. "Brain on Fire" is Cahalan's own riveting account, pieced together from hospital footage, interviews, and family journals, that charts her terrifying descent into madness, her family's ordeal, and the groundbreaking medical detective work that saved her life, shedding light on a little-known condition with profound implications.