It's supposed to be a fresh start: One year after the loss of her husband, Nicole settles with her young adult children Justine and Jason in Purity Falls. First, the family is greeted by a warm welcome. Especially their rich neighbor Courtney seems awfully nice, quickly setting up Jason with odd jobs to support the family income. Yet Nicole soon notices that something is amiss, with her son leaving and coming back at suspiciously late hours. When a young neighbor drowns in a pool, things start to get dangerous. Something is not right with the oh-so-friendly Courtney, who seems to have a grip on her son. Soon, Nicole uncovers the criminal underbelly of Purity Falls' wholesome suburban facade that will threaten all of their lives.
The world has been ravaged by vampires. A group of survivors band together to search for loved ones who may be alive, dead or something in between, eventually taking shelter in what may be the only safe hideout left to them. But well defended hideouts have a way of becoming prisons. And prisons aren't the safest place to be when your friends can turn on you at any time.