After a water-rights standoff in Nevada escalates into murder and Mags Rogers' great-aunt, Jeep, becomes a prime suspect, it is up to Mags; her wire-haired dachshund, Baxter; and Jeep's German Shepherd mix, King, to sniff out the real killer.

When her teenage son and other kids are imprisoned for misdemeanors, a woman hires private investigator Spenser to find the truth behind a corrupt judge's unusually hard sentencing practices for minors.