Emma is an events planner who doesn't have time for love, until her sister reveals that her wedding is in six weeks. Emma agrees to step in and plan it herself with the help of Liam, who Emma had a disastrous blind date with years...

The film follows the harrowing experience of a writer struggling with a rare neurological disease from when she first suffers symptoms to the many attempts at diagnosing it and the eventual discovery of the real cause of her illness. Based on the book, 'Brain On Fire', the true story of Susannah Cahalan, a journalist for the New York Times.