In the summer of 1969, 14-year-old Lucas Painter carries a huge weight on his shoulders. His brother is fighting in Vietnam. His embattled parents are locked in a never-ending war. And his best friend, Connor, is struggling with his own family issues. To find relief from the chaos, Lucas takes long, meandering walks, and one day he veers into the woods.

Something has been asleep in forty-year-old cattle rancher Aiden Delacorte for a long time. It all comes back in a rush during a hunting trip, when he's suddenly attuned to the animals around him, feeling their pain and fear as if it were his own. But the newfound sensitivity of Aiden's "wake up" has its price. He can no longer sleepwalk through life, holding everyone at arm's length. As he struggles to cope with a trait he's buried since childhood, Aiden falls in love with Gwen, a single mother whose young son bears a burden of his own.

Seventeen-year-old Ethan Underwood is totally unprepared to search for his father in the Blythe River National Wilderness. Not only is he small, scrawny, and skittish but he's barely speaking to the man after a traumatic betrayal. Yet when his father vanishes from their remote cabin and rangers abandon the rescue mission, suddenly it's up to Ethan to keep looking. Angry or not, he's his father's only hope.

Never knowing his parents, eleven-year-old Stewie Little and his brother have been raised on a farm by their older sister. Stewie steadfastly tends the chickens left by his beloved late grandmother. And every day Stewie goes door to door selling fresh eggs from his wagon—a routine with a surprise just around the corner. It’s his new customer, Marilyn. She’s prickly and guarded, yet comfortably familiar—she reminds the grieving Stewie so much of the grandmother he misses more than he can express.

Out there is chaos, the collapse of society, and so much to be afraid of. All that matters is freedom. That’s what Remy Blake has been taught by his survivalist father. Raised off the grid in the middle of nowhere, his own survival skills not yet honed, Remy is days shy of his eighth birthday when his father unexpectedly dies. As seasons pass, supplies run out, and fending for himself grows more desperate, Remy sets out on foot, unprepared for the great unknown of civilization.