While escaping war-torn China, a group of Europeans crash in the Himalayas, where they are rescued and taken to the mysterious Valley of the Blue Moon, Shangri-La.
Katherine married Dr. Charles Raynor. She later discovers that Raynor is a sadist who torments her physically and mentally. She divorces him and take their child away. He then decides to kill her but when his plot is discovered he is charged with attempted murder and brought to trial.