16-year-old Billie's reluctant path to independence is accelerated when her mother reveals plans to gender transition and their time together becomes limited to Tuesday afternoons.16-year-old Billie's reluctant path to independence is accelerated when her mother reveals plans to gender transition and their time together becomes limited to Tuesday afternoons.16-year-old Billie's reluctant path to independence is accelerated when her mother reveals plans to gender transition and their time together becomes limited to Tuesday afternoons.