What if there were 4 plastics, Regina George, Gretchen Wieners, Karen Smith and Ida Williams? And it wasn't Regina who dated Aaron Samuels but Ida... Cady Heron starts High School after being homeschooled by her parents, she mets Damian and Janis on the first day. But at lunch she gets invited to sit with the plastics for the rest of the week. She agrees and starts to hang out with the 4 plastics, but she learn herself a crsuh on Aaron Samuels, the boyfriend of Ida Williams for 2 years. Will Ida and Aaron's relationship last through this pressure or will Cady get in between them?