First, an Arizona family restores an 1893 adobe house and digs up amazing clues in the backyard that connect them to the Mexican immigrant who built the house. Next, a Conway, Arkansas, couple finds out the town's phone company was run out of their house then they uncover the mystery behind a strange black box. Then, a family in Yorktown, Virginia, restores a 1920s home and finds a connection to the Second World War when they investigate a claw-foot bathtub that was found in the attic.