The story of former Hollywood star Grace Kelly's crisis of marriage and identity, during a political dispute between Monaco's Prince Rainier III and France's Charles De Gaulle, and a looming French invasion of Monaco in the early 1960s.

The story of former Hollywood star Grace Kelly's crisis of marriage and identity, during a political dispute between Monaco's Prince Rainier III and France's Charles De Gaulle, and a looming French invasion of Monaco in the early 1960s.