Transgender-dyke. Reluctant-Polyamorist. Sadomasochist. Recovering-Scientologist. Pioneering Gender Outlaw. - Meet Auntie Kate. Trailblazing performance artist-theorist-activist, Kate Bornstein, takes us on a mind-bending quest through her world dismantling gender and seeking answers to the age-old question: What makes life worth living? Kate Bornstein is... captures rollicking public performances and painful personal revelations bearing witness to the pioneering gender outlaw who inhabits a space between male and female with wit, style, and astonishing candor. Frequenting 1990's day-time talk shows, Kate's book Gender Outlaw secured her place in history. While paving the way for generations of gender non-conforming people, she alienated others resulting in live protests and open letters going viral on the Internet. Increasingly, films narrate the personal lives and transitions of transgender people. Moving the genre forward, Kate Bornstein is... focuses on Kate's brilliant work and multiplicity of complicated identities. As she receives a grim cancer diagnosis, Kate confronts her own mortality and purpose in life, giving her own motto renewed urgency: "Do whatever it takes to make your life worth living. Just don't be mean." By turns meditative and playful, the film invites us on a thought-provoking journey through Kate's world seeking answers to some of our biggest questions.