Sarah is intrigued when her friend Neil Lawton asks her to help him sort through the contents of a mysterious house he has just purchased on Lookout Mountain. Sarah's daughter-in-law, Maggie, an antiques expert, and friends Irene and Chester, both history buffs, are invited as well. When the party arrives, they discover that the house is fully furnished--in fact it looks as if the owners just disappeared into thin air, sometime around World War II....