What was the conclusion of the story events.

As tensions mount in Boston Johnny first finds himself taking part in the Boston Tea Party then becoming part of Sam Adams's information network. He learns that his mother was Mr. Lyte's niece but he no longer admires their life and possessions. When the British army moves to capture the colonists' weapons Johnny is part of the network, which is able to send word ahead so that the Minutemen have time to assemble and successfully fight back. Rab is fatally wounded in the fighting and dies. As the book ends a young doctor is preparing to operate on Johnny's hand and Johnny having inherited Rab's gun is preparing to carry on in his place.