Mary Ashley, a professor at Kansas State University, is offered an ambassadorship by Paul Ellison, the US president. She rejects the offer because her husband, Dr. Edward Ashley, does not want to leave his medical practice, and she is not willing to be separated from him. She also feels that it is harder to find a good physician for a small Kansas town than an ambassador to a foreign country. When her husband suddenly dies in a traffic accident, Ashley accepts the President's offer in order to fill the void in her life. She is sent to Romania, behind the Iron Curtain, and adapts to the role of ambassador.

She takes an instant distaste to her second in command, Mike Slade, but is unable to remove him due to his appointment being a presidential order. Her success as an ambassador turns her into a public face for understanding between the United States and Romania. She begins a relationship with Louis Desforges, a widowed French physician that saves her from attempts to kidnap and poison her, until he gets killed by Slade.

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