In 1973, documentary filmmaking brothers and decide to change the focus of their latest project from Onassis to her aunt and older cousin, mother and daughter - called Big Edie - and , who were found living in squalor and isolation in the longtime family mansion, Grey Gardens, in East Hampton, New York. Through flashbacks starting in 1936, the path mother and daughter take from their socialite past to the time that the Mayles brothers show their completed film is shown. Big Edie's...