Back in the familiar setting of the Kentucky hills, Mick Hardin returns standing in as the sheriff while the previous sheriff, his sister Linda, recuperates from a gunshot wound sustained in the line of duty. Living in Linda's house in Rocksalt, Mick finds himself entwined in the trials and tribulations of being a sheriff in the perturbing Kentucky community. Unable to retire from a world of dubiousness and violence, Mick Hardin is back with determination to deliver retribution. A dark and fierce return to the Kentucky hills, where nothing is what it seems.