The Motive and the Cue breaches the inviolable sanctity of the rehearsal room. The play, set in New York in 1964, follows John Gielgud’s efforts to direct the world’s biggest film star, Richard Burton, in Shakespeare’s most demanding play, Hamlet. A member of Gielgud’s company, Richard L. Sterne, recorded the process and his notes form the basis of Sam Mendes’s riveting production.