First, Maggie McCain-Davis has a farmhouse in Bloomington, Ind., but that farmhouse meant much more to the early settlers of the 1800s. Next, in Linfield, Penn., Cookie Sheerer took a home fit for a thriller movie and unearthed a story of a family with ties to Hollywood superstars of the Golden Age. Then, Nancy and Doug and Bryant of South Haven, Mich., treasure their 1884 colonial, but the real treasures were found in the house and on the edge of the estate. Finally, Fred Martens and Warren Liang of Cincinnati, Ohio discovered that they had walked right into their own mystery, upon closer inspection of their home.