Life in a fictional Tombstone in the 1880s.
Hired killers have the run of the town after the end of a bloody range war ends, but one rancher whose son was killed wants revenge, regardless of the general amnesty.
Hollister tracks a man who murdered a miner and stole the man's gold.
As silver strikes increase, more miners are robbed and murdered, forcing Hollister to hunt down the killers; a stolen black diamond turns out to be a clue in the crimes.
A young man enters the sheriff's office wanting help for being accused of gold robbery in Brewster.