Erin Sellers, an eighteen-year-old high school senior, hates teen drinking. She and her three friends - Bill, her guy, Shari and Jake - decide to use Twitter to stop a group, the Kewl Krew, from using their high school as the local bar. But the members of this group are just as determined to stop anyone from messing up their fun. Despite veiled threats to her safety, Erin continues her crusade. To make matters worse for her, the stress of school and...