After a mysterious shooting leaves one of their own injured, Bill and the team go out on a mission to find the shooter. Charlie attempts to get answers about what happened during the shooting, leading Joseph to a revelation. Meanwhile, when Undersheriff London tries to take control of the department, Bill reminds him who is in charge.
Deputy Bill Hollister, a career lawman who is very comfortable kicking down doors, but is utterly lost in a staff meeting, becomes acting sheriff of Los Angeles County when the sheriff drops dead. Bill suddenly finds himself in charge of 10,000 sworn deputies policing a modern Wild West.