A video message from Curtis to the world has reached Sara and Zach during their investigative scouting trip through their hometown. The duo run into a new friend in a very unexpected place, but tragedy ends the trip and a new course is set. With the pair experiencing their own Goner encounter for the first time, Sara knows what she must do. Her little brother is in New York City, and she's determined to get to him. With resources scarce, though, it won't be a matter of a simple drive up the coast...