When an outspoken young congresswoman running for re-election faces numerous death threats, her chief of staff reaches out to Spenser for security and he soon crosses paths with an extremist group called The Minutemen.

When two reporters show up asking questions about a twenty-year-old suspicious death, Sheriff Quinn Colson can't offer much help as he is trying to shut down the criminal syndicate that has had a stranglehold on Tibbehah County, Mississippi for years.