100 Foot Wave (2021)

Bullock's vigilantism makes new enemies. Utter returns to Deadwood to say goodbye to an old friend. Teenage siblings arrive on a quest to find their father. Alma holds on to her late husband's claim despite another offer from Farnum.

A much-needed vaccine arrives in Deadwood. There are rumblings of a treaty with the Sioux. Swearengen is reluctant to accept advice from Farnum while Trixie is away. Alma reconsiders her plans for her gold claim. Stubbs learns an important lesson from Tolliver.

Swearengen makes an effort to set up an informal government. Anna and Bullock discuss Ellsworth. Jane receives a job offer from Utter. Tolliver agrees to let Stubbs strike out on her own.

Swearengen receives a double dose of irritation when a drug supply is stolen and bad news arrives from a nearby town. Rev. Smith is an unlikely customer at the Gem. Merrick hatches an idea for Deadwood's first club.

Adams helps Swearengen out of a jam. Jewel seeks out Doc for treatment. Leon and Eddie go back to work for Cy. Alma's father arrives from New York. The camp's choice for a sheriff doesn't please Bullock.

In the first-season finale, Farnum and Tolliver take advantage of the arrival of a U.S. Army general. Adams teaches Clagett a thing or two about loyalty. Bullock reacts when Alma's father states his intentions regarding her claim.