Katherine Sedley lived by her own rules and loved who she pleased- until she became the infamous mistress of King James II... London, 1675: Born to wealth and privilege, Katherine is introduced to the decadent court of King Charles II, and quickly becomes a favorite from the palace to the bawdy playhouses. She gleefully snubs respectable marriage to become the Duke of York's mistress. But Katherine's life of carefree pleasure ends when Charles II...