This is a thousand percent a true story about how the quiet, all-American town of Salem absolutely lost its mind. High school senior Lily and her three best friends live in a haze of texts, posts, selfies, and chats — just like the rest of the world. Their small town gets turned upside down when an anonymous hacker starts to reveal personal messages and secrets of thousands of people. As anger erupts into full-blown violence, the four girls soon find themselves in a fight for their lives against an armed mob.