An ancient, predatory aristocrat migrates from Transylvania to London, threatening to unleash a supernatural contagion upon the heart of the British Empire. Jonathan Harker, a solicitor, finds himself imprisoned in a remote castle, serving as the unwitting catalyst for the Count's expansion. A small group of individuals, led by the analytical Professor Van Helsing, must overcome their skepticism and Victorian sensibilities to combat a foe that defies scientific explanation. The narrative unfolds through a non-linear framework of diaries, letters, telegrams, and newspaper clippings, creating a sense of immediate, fragmented dread.

Discussion often centers on how the novel functions as a reflection of late-Victorian fears regarding immigration, gender roles, and the encroachment of the occult into a rational world. Readers frequently highlight the effectiveness of the epistolary format in building suspense, as the fragmented accounts force the audience to piece together the horror alongside the characters. Critics often examine the tension between the characters' reliance on modern scientific tools and their eventual necessity to embrace traditional religious symbols to survive. The pacing is frequently noted for its shift from the claustrophobic tension of the opening chapters to the high-stakes pursuit that defines the latter half of the book. Many analyses focus on the Count as a manifestation of primal forces that threaten to dismantle the rigid social structures of the nineteenth century.