The American Revolution is raging in Philadelphia, and Rebecca is determined to do all she can to help. With her father stationed with Washington's army at nearby Whitemarsh, it's up to Rebecca to help her mother at home with her younger siblings. That includes selling vegetables to British officers stationed in wealthy houses nearby. When Rebecca intercepts a message about an impending British attack against the Patriots from one such house, she knows she has to act. It's up to her to get the message to the Patriot army - before it's too late.