The film follows the journey of Kitty, the imaginary friend to whom Anne Frank dedicated her diary. A fiery teenager, Kitty wakes up in the near future in Anne Frank's house in Amsterdam and embarks on a journey to find Anne, who she believes is still alive, in today's Europe. While the young girl is shocked by the modern world, she also comes across Anne's legacy.
Kitty, the imaginary girl who Anne Frank wrote to in her 1940s diary during WWII, seeks out the deceased diarist while also inspiring a wave of modern social justice for refugees.