Season 4 of Longmire picks up moments after Season 3's exciting finale. Walt Longmire (series star Robert Taylor), having found out who was behind the murder of his wife, succumbs to his darker impulses and takes off in pursuit of the killer with murder on his mind.
Meanwhile, Branch Connally (Bailey Chase), the deputy who Walt fired for erratic, violent behavior, believes he has already figured out who the real culprit is. But during his confrontation with this suspected killer, a gun goes off.
Now the audience will finally learn what happened, and whether Walt can be stopped before he makes a fatal choice.
Longmire, the contemporary crime thriller set in Big Sky country, is based on the Walt Longmire mystery novels by best-selling author Craig Johnson. The series stars Australian actor Robert Taylor (The Matrix) as Walt Longmire, the charismatic, dedicated and unflappable sheriff of Absaroka County, Wyoming, along with Katee Sackhoff (Battlestar Galactica, Riddick), Lou Diamond Phillips (Southland, La Bamba), Bailey Chase (Damages), Cassidy Freeman (Smallville) and Adam Bartley (Justified).
Longmire is produced by The Shephard/Robin Company in association with Warner Horizon Television. Hunt Baldwin (The Closer, Trust Me), John Coveny (The Closer, Trust Me), Greer Shephard (The Closer, Major Crimes, Nip/Tuck) and Michael M. Robin (The Closer, Major Crimes, Nip/Tuck) serve as executive producers.