The film is about a woman from an asylum who came to Paris in 1928 and was captured by some Russian Ã migrÃ s who use her so that they can fool Anastasia 's grandmother into thinking Anderson actually is her granddaughter . This is because they want to get a Tsarist fortune . The film tells the story of a woman from an asylum who appears in Paris in 1928 and is captured by several Russian Ã migrÃ s who feed her information so that they can fool Anastasia 's grandmother into thinking Anderson actually is her granddaughter in order to obtain a Tsarist fortune .