A gang of thieves kill a silver mine's paymaster and wound a policeman during a payroll robbery. Blake pursues a gang of murderous thieves to a graveyard in Virginia City, Nevada.

Blake investigates a businessman's claim that someone plans to kill him.

Blake investigates when five amateur prospectors disappear in a remote area of mountainous area. The trail leads to a remote cabin and mine.

Sheriff investigates the disappearance of a local drifter who recently married the daughter of a prosperous Reno rancher.

Blake races to arrest a criminal who fled to Los Angeles after committing a murder in Reno before the husband can find him and exact his personal revenge.

When her former husband is released from prison, a woman contacts the police requesting protection because she fears the ex-con will kill her. Blake is ordered to investigate when the woman's second husband is shot during a Las Vegas Wild West parade.