Miley Cyrus stars as MOLLY, a private investigator who chose to leave high school to work with her father (Mike O'Malley), a former police officer. Together their days are filled with busting cheating spouses and taking down petty thieves. However, her life unexpectedly changes when she is approached by an FBI agent (Jeremy Piven) to go undercover in the one place they're unable to infiltrate -- and a world she knows nothing about... A university sorority.