After being betrayed by her Nazi husband (Hans Verner) and turned in as a Jew, concentration camp survivor Judith Auerbach (Sophia Loren) travels to the soon-to-be-established nation of Israel to search for her missing son -- and to seek revenge against her former spouse. Now a hunted war criminal, he has resurfaced in the Middle East leading an Arab resistance movement, and Judith agrees to help the Israelis identify and capture her perfidious ex.