In 1776, young Sophia Calderwood witnesses the execution of Nathan Hale in New York City. Sophia is horrified by the event and resolves to do all she can to help the American cause. Recruited as a spy, she becomes a maid in the home of General Clinton, the supreme commander of the British forces in America. Through her work she becomes aware that someone in the American army might be switching sides, and she uncovers a plot that will grievously damage the Americans if it succeeds.

Fifteen-year-old Maura and twelve-year-old Patrick O'Connell are finally free from the impoverished conditions of their small Irish village and onto a ship heading to America, but there is still a treacherous journey ahead of them. The children are in search of a better world and a new home. But will they find what they're looking for in America?

Scholarly Mangus the magician and his faithful new servant boy have been marked as easy scapegoats for the traitor lurking within King Claudio’s court. They must gather clues to solve the mystery and prove their innocence before the stroke of midnight...or face death!