When Erika, Brooke, and Addy decide to get away during the summer by renting a cabin by the lake, things start to get... weird. And by weird, I mean messages written on the windows, texts from the anonymous, and sightings none of them can explain. However, this is just the beginning of their "trip". To whoever the Anonymous is, their terror is just one big game. One big game that none of the girls can escape.