John Churchill pursues the young Sarah Jennings but she is convinced they can have no future together. Sarah is poor, much as Churchill is, and her mother is convinced that Churchill's father will arrange a marriage for his son only with a rich woman. John has no intention of marrying for convenience and has every intention of marrying for love. He stands his ground, as does Sarah, but Duchess of York becomes a good friend indeed when she eases the way for them. Meanwhile, there is much intrigue going at court with certain lords demanding that no Catholics be counselors to the King. As well, the Duke and Duchhess of York arrange for the marriage of their daughter, Mary, to William of Orange. She has a most peculiar reaction when she first sets eyes on her intended.