First, two descendants of the Sands family sort through more than 230 years worth of family history that was left in their Annapolis, Maryland home. Next, a couple in Marshall, Michigan, discovers that the third story of their building was a popular opera house in the late 19th century. Then, a New York state couple re-creates a tower that originally stood on their home. They also learn that the builder of the house was the town supervisor as well as the owner of a cheese factory.