Burned-out video game designer Liz joins a society of traumatized adults that meet in secret and play like they are little kids. Led by the alluring Sylvester Cromwell, each member has a dark past, a deep-rooted shame that drew them to the group, and when they feel it is their time, they share their secret and accept Sylvester's promise of healing through play.
Three years ago, twenty-two year old "girl-next door" Rachel barely survived a brutal massacre that left all of her friends murdered. Time has passed, and Rachel has moved on, but unfortunately her close friends are spending Spring Break in a secluded house in the woods, and they have cordially invited her to join. She would never have accepted the invitation if she realized that another bloodbath would be showing up as plus one. Once Rachel and her friends arrive at the cabin, the partying, sex, and...terror begins. From girls' only pillow fights to debauchery in a bedroom, it's going to be a blast...aside from the stabbing, flesh melting, and castration. Seven friends will go into a secluded house for the best Spring Break of their lives, but only one will be alive to post about it on Facebook the next week, as Rachel's biggest fears become a reality once again! Can Rachel survive another bloody massacre?
Durante milênios, obeservamos que os calendários têm adicionado um dia extra a cada quatro anos. Mas ao fazer isso, violaram o antigo calendário maia. Assim, estamos no 13 º mês do 13 º ano do novo milênio, por isso os poucos que sobrevivem vão disputar um mundo de demônios.