Nancy is losing control and turning into a zombie again while on the run with her father. They have been fleeing for seven days in a post-apocalyptic world where survival is ruthless. Nancy struggles to stay calm as her father reassures her that he will find a cure. He blames the outbreak on Kevin's experiments, but only he knows the full truth. Just as hope flickers, their camp comes under attack by another zombie horde, forcing them into immediate danger and an uncertain fate.