When Margot Fonteyn, the greatest ballerina in the West, is 42 senses her career is over. Rudolf Nureyev is 23, a rebellious Soviet defector — magnetic, explosive, unstoppable. Together, they ignite the stage and become icons of the Swinging Sixties. Fonteyn is reborn by Nureyev’s wild energy, but their bond is complicated by her marriage and his affair with another dancer. To preserve what they have, they will risk everything for one defining ballet—because the only place they can truly be together… is on stage.