Chubby Robin Wilson wants to join SVH sorority Pi Beta Alpha. Liz nominates Robin for the club and Jessica is furious. Jessica and her conniving friends do everything they can to keep Robin out and Li does her best to make sure Robin is accepted by the club. Also, Lila Fowler, one of the wealthiest girls in school and also in town, is revealed to have been shoplifting to get her absentee father's attention.