A stranger shows up at Moser Mansion Rest Home For Women in Locked Rock, Iowa claiming to be Melinda Applegate's nephew. She welcomes him with open arms, but Gracie Evans is sure the man is a crook out to steal Melinda's money. She sets out to prove the man is up to no good against all odds. Everyone at the mansion thinks Gracie is jealous of the nephew because Melinda spends so much time with him. It's true that Gracie is left to rock alone, but she has a gut feeling that this man is a shyster. At the same time all sorts of upheaval happens at the mansion after Molly Moser Lang, the owner, leaves on a long honeymoon. The woman in charge turns the Moser Library into Locked Rock's town library, giving out expensive first edition leather bound books to her patrons. To find out how Gracie handles her investigation read Specious Nephew.