Never count an old man out, even when he's hanging up his hat!Deputy Sheriff John Cronin is looking forward to a quiet retirement, working on the ranch, and handing it off to his granddaughter Jesse. And he's got to pass on a generation worth of investigations, but it's not as easy as handing over the case files and the keys. First, he's got to train Aaron Miller to fill his role, from the way to dress for rural juries to the finer points of stakeouts and murder investigations, Texas style. Between the oil patch workers and the cartel's drug runners, there are plenty of loose ends for him to tie off... or terminate...