Marty and David Black milk the history from their 1790s Tennessee home churning up a butter-flavored past that turns out to be the cream of the crop. Next, a wealth of discoveries in their 1865 Alabama Queen Anne cottage help Ramona and Garry Martin peer into a 1930s lifestyle full of friends in historic places. Then, Chér Brining keeps her 1895 New York Colonial home afloat after a few documents steer her in the right direction in tracking down her home's history.