A remarkable and uplifting journey unfolds in the heart of Tennessee as a bold theatre company dares to challenge societal norms. The film intimately documents the experiences of adults living with Intellectual and Developmental Disabilities (IDD) as they are cast in leading roles for the company's ambitious production of Shrek The Musical. From the early casting process to the final curtain call, the audience is granted an insider's view into the lives of these extraordinary individuals. We see them bravely break through barriers, shatter stereotypes, and passionately express themselves through the transformative power of theatre. This documentary also highlights the immense dedication and belief of the theatre company's director and staff, as they challenge and guide their unique ensemble, cultivating not just a production, but a family that supports and encourages each other. Through laughter and tears, failures and triumphs, "A Backlight Production" captures the magic of theatre and its capacity to empower, inspire, and create a space where everyone, regardless of their abilities, can shine.