Synopsis: Female aviator Lady Cynthia Darrington and Parliament member Sir Christopher Strong meet at a party, where the free spirit and the married politician are instantly attracted. Christopher's wife, Lady Elaine, invites Cynthia to stay at the Strongs' summer house, where she grows even closer to him. Mindful of the damage an affair would do to Christopher's career and family, the couple parts, but they soon realize they can't live without each other.