An Irish girl comes to America disguised as a boy to claim a fortune left to her brother who has died.
Mamie, an orphan girl who was abused in the orphanage, is taken in by Mrs. Caldwell, a kindly woman with a young son named Alexander. Mamie hits it off with the lad, and nicknames him "Zander". When Mrs. Caldwell dies, the authorities decree that the boy must be placed in the same orphanage where Mamie was mistreated. Horrified, Mamie determines to see to it that the boy will be spared the same treatment that she had to suffer.
Mary Tudor falls in love with a new arrival to court, Charles Brandon. She convinces her brother King Henry VIII to make him his Captain of the Guard. Meanwhile, Henry is determined to marry her off to the aging King Louis XII of France as part of a peace agreement.
