Lily Robinson engaged in a steamy one-night stand while studying abroad in Paris. Fifteen years later, the man she called Mr. Stranger resurfaces in her life, hired by her best friend and business partner, William, to fly their company jet. Her attraction to the pilot is as strong as it was long ago, and she embarks on an uncharacteristically casual affair with him. At the same time, she discovers that things with William and the company aren't what she thought they were. She finds herself questioning her happiness and being forced into making life-changing decisions.
