So Undercover (2012)

When the FBI hires her to go undercover at a college sorority, Molly Morris (Miley Cyrus) must transform herself from a tough, streetwise private investigator to a refined, sophisticated university girl to help protect the daughter of a one-time Mobster. With several suspects on her list, Molly unexpectedly discovers that not everyone is who they appear to be, including herself.

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