Summer, 1984: The perfect time to be 15 years old and free. But when neighborhood conspiracy theorist Davey Armstrong begins to suspect his police officer neighbor might be the serial killer all over the local news, he and his three best friends begin an investigation that soon turns dangerous.
Five college students take time off to spend a peaceful vacation in a remote cabin. A book and audio tape is discovered, and its evil is found to be powerful once the incantations are read out loud. The friends find themselves helpless to stop the evil as it takes them one by one, with only one survivor left with the evil dead and desperately tries to fight to live until morning.