Tamara Rojo, world-famous ballerina and artistic director of English National Ballet, takes us backstage as she prepares for one of classical ballet's biggest challenges, the dual lead in Swan Lake. It is the ultimate role for any dancer, requiring her to play the completely contrasting characters - Odette the White Swan and Odile the Black Swan. With unprecedented access, the disarmingly candid Rojo reveals her insights on the role's physical and psychological challenges. Through demonstration and masterclass, she reveals how to read the choreography of some of Swan Lake's most famous scenes. Along the way Rojo gives us a glimpse of Swan Lake's history - its genesis through to 21st-century incarnations. She looks back at some of the greats that inspired her and leads the way forward, coaching the next generation of rising stars. This film celebrates Swan Lake as an evolving and living work of art - the ultimate classic.