Christmas in Williamsburg means a dancing party at the Governor's Palace for Felicity, but her mother becomes very ill and cannot finish the special blue gown.

As her tenth birthday approaches, Felicity is excited by her grandfather's visit, but she is also concerned about the growing tensions between the colonists and the British governor in Williamsburg.

Readers must decide which activities to join Felicity in, hanging out at her father's store, sipping tea at the Governor's Palace, or participating in a gunpowder plot.

"When Felicity overhears a plot against the colonists, no one believes her but Ben, her father's apprentice. So the two risk great danger to warn the colonists themselves. Soon afterward, Felicity finds a secret note from Ben. He has run away to join George Washington's army, and he is injured. Felicity is worried about him but knows it would be wrong to help a runaway apprentice. Then she is turned away from the door of her best friend, Elizabeth....