After hearing voices and almost going insane the much talented journalist moves to catatonia for diagnosis. Getting the wrong treatment made it even worse; losing all hope at last a doctor brings hope by diagnosing her right and brings her back to the sanity.
The medical misfire Brain On Fire is based on a true story and apparently its producers thought this was sufficient reason to breathe life into the project. It is not.
It's the sort of role for which the Razzies were invented, and what little audience it finds will almost certainly be heckling as they watch Moretz implode.
Despite the fact that Susannah eventually manages to claw her way back from the brink of madness, this is a downbeat slog of a film which tells a not particularly involving story.
The true-life medical drama is less likely to bring awareness to a very rare autoimmune disorder than it is to be consumed as a low-rent imitator of Safe, Todd Haynes' 1995 parable.
We watch Chloe Grace Moretz's epic meltdown from a bored distance, until the drama remembers its lost calling as a disease-of-the-week movie. At that point, we receive the abrupt news of a cure with an indifferent shrug.