The main character of the novel is none other than Conan Doyle, creator of the great detective Sherlock Holmes. After the writer submits the novel “Dark Brotherhood” to the publishing house, he begins to feel like someone is watching him. Conan Doyle's new friend Jack Sparks explains everything. It turns out that the writer guessed a lot in his novel - the Dark Brotherhood really exists and is hatching bloody plans for a worldwide massacre and the reign of Evil on Earth. The Brotherhood is headed by Jack's brother Alexander, who sold his soul to the Prince of Darkness...