According to the original script, Sloane has a brother, and her father left the family for a twenty-five year old bimbo.
Ferris Bueller's Day Off
After high school slacker Ferris Bueller successfully fakes an illness in order to skip school for the day, he goes on a series of adventures throughout Chicago with his girlfriend Sloane and best friend Cameron, all the while trying to outwit his wily school principal and fed-up sister.
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