Bullock and Swearengen settle their most recent score with a bloody brawl, and Joanie welcomes her new business partner---with or without Cy's blessing. Also: a stagecoach brings important passengers; and Utter and Bullock investigate a shooting at Tom Nuttall's.

Calamity Jane returns to camp; Swearengen nurses his wounds while Dan and Johnny await Bullock's next move; Joanie and Maddie prepare their new place of business; Alma is asked to make a decision about her future. Maddie: Alice Krige. Adams: Titus Welliver.

Swearengen's deteriorating health worries his employees. Alma ponders a real-estate move after surveying her operation. A mining-company agent makes his presence known. Maddie lets Joanie in on a secret about their first client.

Alma fires Miss Isringhausen as her ward's tutor. Bullock struggles with domestic life. Cochran suggests a risky surgical procedure for an ailing Swearengen. Dority deals with a former associate's robbery proposal.

Doc Cochran advises Dan and Johnny how to help Swearengen's recovery. Thriving business at a new brothel leads to a startling discovery by Tolliver. Merrick gets a scoop from Yankton about gold claims. Bullock's badge comes in handy for Commissioner Jarry.

Merrick gives a schoolteacher a tour of the camp. An influx of Chinese labor enters the workforce. Swearengen is finally able to honor appointments. Alma suggests the idea of a bank; and Bullock insults the owner of a gold claim.

Alma and Bullock discuss the camp's financial future. Swearengen shares news about an important visitor. Wolcott seeks to make a deal with Utter involving Wild Bill Hickok's last letter. Tolliver relies on Lee's expertise.

Wolcott reports his gold-claim acquisitions to his employer, George Hearst, and Nuttall shows off his new bicycle. Meanwhile, Miss Isringhausen reaches an agreement with Swearengen, who also meets with Bullock to discuss alternatives to annexation.

Wolcott draws Utter's ire during the questioning of a suspect. Merrick is overzealous in re-establishing his newspaper. Fields and Hostetler have little luck with a wild horse. Swearengen alters his agreement with Miss Isringhausen.

Cochran's ominous prognosis puts the camp on alert. Smallpox survivor Andy Cramed returns as a minister. Swearengen asks an unlikely pair to pull a scam on Commissioner Jarry. Martha Bullock has second thoughts about staying in Deadwood.

Mining magnate George Hearst arrives while the camp is preparing for a celebration. Yankton officials react to a Swearengen power play. Violence erupts among the town's Chinese population.