When the Los Angeles County’s Sheriff dies, an arcane rule forged back in the Wild West thrusts the most unlikely man into the job: a fifth-generation lawman, more comfortable taking down bad guys than navigating a sea of politics, who won’t rest until justice is served.

Four Republican senators share the same D.C. house rental, and face re-election battles, looming indictments, and parties — all with a sense of humor.

While driving through the New Mexico Desert during a rainy night, the college students Jim Halsey and his girlfriend Grace Andrews give a ride to the hitchhiker John Ryder. While in their car, the stranger proves to be a psychopath threatening the young couple with a knife, but Jim succeeds to throw him out of the car on the road. On the next morning, the young couple sees John in another car.