Cathy Horner's apartment is beautifully situated. Its large windows overlook the park, and it's far enough out of the city to make it both convenient and quiet. Furnished in modern design, it reveals both expensive tastes and excellent judgement. It is close to ten o'clock on a Saturday morning in autumn, and Cathy has just set a coffee tray for two on the table. Hers is an attractive, vital personality, though at the moment she gives the impression of someone whose emotions are being held under great control...