What is the climax of the 10th chapter in cue for treason?

In Chapter 10 of "Cue for Treason" by Geoffrey Trease, the climax occurs when the protagonists, Peter and his friend, find themselves in a dangerous situation while trying to expose the plot against Queen Elizabeth. They confront the treachery surrounding them and must make critical decisions that will determine their fate and the safety of the play. This moment heightens the tension and sets the stage for the resolution of the story, showcasing their bravery and commitment to justice.