Eighty-nine year old trumpeting legend Clark Terry has mentored jazz wonders like Miles Davis and Quincy Jones, but Terry’s most unlikely friendship is with Justin Kauflin, a 23-year-old blind piano player with uncanny talent, but debilitating nerves. As Justin prepares for the most pivotal moment in his budding career, Terry’s ailing health threatens to end his own.

In the indigenous communities around the town of Juchitán, the world is not divided simply into males and females. The local Zapotec people have made room for a third category, which they call “muxes” – men who consider themselves women and live in a socially sanctioned limbo between the two genders.