When a deadly virus sweeps the country, Vivian sets out for California in hopes of seeing the daughter she gave up for adoption. But when her car breaks down, she's forced to accept a ride from redneck brothers, Angus and Axl.
The virus is spreading, but when the dead start coming back, Vivian and the others realize that no electricity or running water are the least of their concerns. Now Vivian must learn how to be a mom under the most frightening circumstances, cope with Angus's aggressive mood swings, and sort out her growing attraction to his brooding younger brother, Axl.
While searching for a safe place to go, the group meets a pompous billionaire who may be the answer to all their problems. Trusting him means going into the middle of the Mojave Desert and possibly risking their lives, but with the streets overrun and nowhere else to turn, it might be their only chance for survival . . .