Robin gets some bad news and decides to keep it to herself; Marshall decorates the house in the suburbs for the holidays.
A stage promoter and old friend of Swearengen arrives in town; Alma offers Hearst a claim deal; Bullock discovers the truth about the Gem killings.
Deadwood's first true elections approach; one of Hearst's workers is killed at the Gem; Alms has complications with her pregnancy.
A cryptic note tips off Swearengen; Hearst makes his intentions known; Alma's health raises the issue of Sofia's stewardship.
Heavy fog at the scene of a massive multi-vehicle accident puts the doctors in danger; Jesse's confidence has taken a hit; Carla's condition turns critical.