Bailey Fish, 11, is happy when the Keswick family plans to move into a once-elegant country home near where she and her grandmother, Sugar, live at Lake Anna. The adopted, homeschooled brothers, Noah and Fred Keswick, are about Bailey’s age and fun to be with. Bailey and Justin Rudd, a neighborhood boy with a reputation of being a bully, are hired to help the Keswicks with cleaning and repairs. The kids excitedly discover valuabale and historic items amont the trash inside the old house. Then, one by one, these treasures disappear. Justin’s unusual behavoir makes him the main suspect as dectectives Noah, Fred, and Bailey try to solve the mystery.