The year is 1774 and trouble is brewing in Massachusetts.The British army has blockaded Boston and ten-year-old Emma Millar is stuck at Aunt Harmony's house in the city, far from her family.Her only companion is snobbish Thankful Bliss, who denounces the Revolution and treats Emma like a country bumpkin.Emma wants desperately to help the American struggle for freedom.When Papa gives her a secret code the militia uses, Emma finally gets her chance to change the course of history.