Billy Baker, a 17-year old orphan living in Boston, documents major events of the American Revolution in his diary entries from 1770 to 1787. In his first entry, he expresses outrage at the Boston Massacre and growing discontent with British rule and taxation without representation. His later entries describe the signing of the Declaration of Independence, key battles like Lexington and Concord, the hard winter at Valley Forge, and the ultimate American victory at Yorktown. In his final entry, he expresses hope that the new US Constitution will establish a strong and prosperous new nation after the weaknesses of the Articles of Confederation.