In 2012 the Mayas calendar ends with a world changing viral disease that brings the dead back to life. Hannah Winter is the head of Information technology at Biogenetics & Disease Control, a medical research company located deep beneath the city of Dulce, New Mexico. Julie Mehta, a staff virologist, works diligently to develop a vaccine to prevent the living from contracting the virus, in a race against time for human survival. While Hannah is hopeful to reunite with her sister Jenna, who is struggling against all odds to travel from San Antonio, Texas to New Mexico to be with her.