When Dara goes looking for her birth certificate, what she finds is a box full of secrets. Her mum, Mellie, reveals that she is transgender and had Dara before she transitioned. Dara is stunned, devastated – her mother has lied to her for her whole life. Dara takes off in search of her grandparents and her truth, her best friend Sam in tow. What she finds will challenge and surprise her more than she can imagine.