Lost my heart in a Wasteland

Riley and her son Jacob are left alone when her Ex husband is on a Buisness trip across the county. The country and then the world is shut down and over run by the dead. They have to do what they must to survive the wasteland. Levi is a ex thief. He is also a changling. He was bitten by the dead but didn’t die, in fact he became stronger. His body mutated the disease.