When Agatha Dorn, cantankerous archivist and gin aficionada, discovers a lost mystery novel from the Golden Age of detective fiction, her life takes an unexpected turn. But just as she basks in her newfound literary fame, the book is exposed as a hoax. And when her ex-lover turns up dead, with a scrap of the manuscript by her side, Agatha suspects foul play. Cancelled, ostracised and severely ticked off, Agatha turns detective to uncover the sinister truth. But can she stay sober long enough to catch the killer?