Jason Hawk comes across signs that intruders are crossing into his land; David Holladay searches for rare stones to support his large family; Howdy Fowler tries to keep his lifestyle going despite a dwindling client base.

Jason Hawk decides that his old truck isn't up to the task of protecting his property line; David Holladay searches for a remedy to the contaminated water he mistakenly drank; Howdy Fowler races the sun to corral a pair of wild longhorns.

Jason Hawk continues to spruce up his rehabbed desert truck; David Holladay and his son venture on a rock hunt; Charlie Acuna goes on a rattlesnake hunt; Howdy Fowler fights the blistering heat and a tight deadline.

Jason Hawk needs to come up with an ingenious method to keep his family hydrated; the drought dries up Howdy Fowler's job prospects; David Holliday's season takes a turn for the better in Southern Utah; Charlie Acuna searches for a safe water source.

Jason returns from the desert with 200 gallons of water; Howdy takes work tracking a dangerous set of horse thieves in Texas; David and his son find a rare desert oasis full of fresh water; Rick tries to find valuable relics.

Jason sets off on a hunt with his father; David prepares to say goodbye to his son; Charlie's latest challenge has him looking for a new desert shelter; Howdy learns that the horse thieves he's tracking are even more dangerous than he believed.