Lukas Lincoln is an average fifteen-year-old enjoying the last days of summer camp in the remote Texas Hill Country. But when a strange virus infects 90% of America, killing many and leaving the others as unthinking, relentless flesh hunters, Lukas and a small group of surviving, uninfected campers and counselors must find a way to escape. Among them is his older brother Caleb, Caleb's girlfriend, Juliana, whom Lukas yearns for, Lukas's best friend, Javi, and a mysterious female camper named Aubrey. Their journey will take them on a desperate race across the state in search of potential safety. Along the way, as their personal bonds and will to survive are tested, they will uncover a shocking discovery about the origin of the outbreak.