The film revolves around a gentleman named Llewelyn Moss. Moss stumbles upon several dead bodies and a briefcase filled with cash. Moss is startled at first, but he begins to calm down after realizing that the deceased individuals were involved in a bad drug deal. Moss discovers a briefcase filled with cash. He is a simple man who works as a welder. He is tempted to take the briefcase with hopes of starting a new life. Llewlyn yields to his temptation and takes the cash. He is not aware that a tracking device lies within the briefcase.
A hit man by the name of Anton Chigurh shows up and learns that the briefcase is missing. Chigurh is angered at the fact that someone would steal from him. Chigurh activates the tracking device within the case. A compelling game of cat and mouse begins as the hit man sets out to find the briefcase.
A proud sheriff gets involved as the story develops. Dead bodies begin to surface as Chigurh begins to close in on Moss. The sheriff's experience and wisdom allows him to put the pieces of the puzzle together. He is a few days away from retirement, but he knows that Llewelyn Moss is in serious danger. He is driven to find Moss before he meets his demise.
Anton Chigurh is a very eerie character who challenges all individuals in his pursuit of the money. Chigurh kills all his victims with a unique air weapon. Chigurh is just a few steps away from finding Moss with his tracking device.
The sheriff contacts the wife of Llewlyn Moss with hopes of convincing him to turn the money over to the authorities. Unfortunately, she is unable to convince Moss to consent to the sheriff's wishes. Moss feels that the money is their ticket to a new start in life.
Chigurh locates Moss at a low-end hotel. An exciting gun fight ensues as Chigurh attempts to kill Moss and reclaim the briefcase filled with cold cash. Moss is able to escape and lure Chigurh into a foot race. Both men continue to exchange gunfire in the streets of the small town. Chigurh is determined to kill Moss and get his money.
After eight years of marriage, Lane and Brolin announce that they are divorcing. They have been separated for several months, and claim the split is amicable.