Cracking The Nonbinary Code tells the story of Mark, a cisgender male graduate student studying AI, who struggles to understand the perspective of his trans partner, Alyx. Morning banter about Alyx’s transition and recent anti-trans rhetoric leads Mark down an unusual path in his research, where he discovers a gap in both historical and scientific knowledge of gender in his field and his understanding of Alyx’s experiences.

These scenes mark the beginning of a beautiful process, as Mark decides to turn his thesis into a love letter: using the scientific method to better understand the only non-binary constant in his life.