WATCH: Movie Trailer of BRAIN ON FIRE Features Chloe Grace Moretz as a Woman Struggling with a Medical Mystery

“Brain on Fire” is the astonishing true story of a young woman’s descent into madness in the face of a medical mystery. The film is based on the award-winning memoir and New York Times bestseller of the same name and trails the challenges of Susannah Cahalan, a young woman just out of university and living her dreams in New York City. She’s an up-and-coming journalist at the New York Post, and she’s falling in love with a musician named Stephen. When her boss gives her the big assignment that will jumpstart her career, things couldn’t be better. But things start going wrong when Susannah gets a flu she can’t shake, forgets things, and misses deadlines at work. It soon gets worse. After repeated trips to the hospital, a team of doctors can find nothing wrong with her. Catch the trailer below:

"Brain on Fire" stars Chloe Grace Moretz as Susannah Cahalan. Thomas Mann, Carrie-Anne Moss, Richard Armitage, Jenny Slate and Tyler Perry complete the line-up.

Witness an inspiring true miracle when “Brain on Fire” opens February 22, 2017 in local cinemas from Pioneer Films. You can also buy the New York Times Bestseller via Amazon.com.