A teen has a normal life until she starts exhibiting strange symptoms and realizes she's caught a virus that is slowly turning her into a zombie. Desperate to find a cure, she trusts only one person, a loner at school.
Matt and Sweat run for their lives as the tension between them is pushed to the extreme. Tilly gets out of the hospital and does her best to evade the authorities. But as the law closes in, all three are confronted with hard truths.