A tragedy as well as a triumph can be a turning point in life - and so it was the tragedy of Barry Carlton's death that turned the thoughts and hopes and dreams of Penny Gibbs away from marriage, to a life dedicated to the happiness of others. In the Gibbs home this afternoon, Penny has secluded herself in her room, and Nora is sitting by the fireplace knitting when her husband, Freddy, walks in early from work to fuss over his lovely wife.