The sudden disappearance of Edwin Drood on a stormy Christmas Eve in Cloisterham sets off a web of suspicion and investigation that remains unresolved. Young Edwin Drood is betrothed to Rosa Bud, a union that faces opposition from the opium-addicted choirmaster John Jasper, who harbors a secret, obsessive desire for the girl. As the narrative unfolds, the tension between the characters escalates, culminating in the mysterious vanishing of the protagonist. The story utilizes a third-person omniscient perspective to examine the psychological decay of the antagonist and the social rigidities of the cathedral town. The narrative remains incomplete due to the author's death, leaving the central mystery of the crime and the fate of the characters to speculation.

Discussion often centers on the inherent frustration and intrigue caused by the novel's unfinished state. Readers frequently highlight the atmospheric quality of the prose and the depth of the psychological portrait of John Jasper. Critics often analyze the text as a departure from the author's earlier, more sentimental works, noting a darker, more cynical tone. The lack of a definitive conclusion has generated a long history of literary speculation and attempts by other writers to complete the narrative. Many readers find the work compelling precisely because it invites the audience to participate in the construction of the final resolution.