Twelve-year-old Daniel Prescott cheered when the Sons of Liberty dumped English tea into Boston Harbor. Then King George sent his soldiers to take over Boston and its port. Now Daniel's home is a city under siege.

When his father slips away to join the rebels, Daniel works in the family tavern and eavesdrops on Redcoat officers. He soon learns how to slip across British lines and becomes a messenger and spy, bringing vital news of the enemy to his father, and even to General Washington. To do so puts Daniel's life in danger. But, to a Patriot, liberty is well worth any risk.