Knee play 1. Act i scene i: train. Act i scene ii: trial. Knee play 2. Act 2, scene 1: dance. Act 2, scene 2: night train. Knee play 3. Act 3, scene 1: trial/prison. Act 3, scene 2: dance. Knee play 4. Act 4, scene 1: building/train. Act 4, scene 2: bed. Act 4, scene 3: spaceship. Knee play 5