The Hardy Boys

Frank and Joe Hardy introduce their new mystery.

Iola's purse is stolen, and Frank and Joe track the suspected thief onto Silas Applegate's property. They spot Silas' plumber and hired hand before Silas comes out and orders them off the property.

Rumor of hidden treasure belonging to old Mr. Applegate spurs a summer-long investigation by the Hardy Boys

Joe finds Perry hiding in some bushes. Perry gives Joe a gold doubloon and asks him to hold it, then turns himself in.

The boys find a stash of stolen items from the community in Perry's living quarters. Though he is innocent of the thefts, Perry runs away to avoid capture by the police, when Joe stumbles upon his hiding place and learns the truth.

Rumor of hidden treasure belonging to Old man Applegate, spurs a summer long investigation by the Hardy Boys

Frank and Joe Hardy introduce their new mystery.

Frank angers Joe by spending all day on the phone with girls so Aunt Gertrude sends Joe on an errand with Iola.

Joe and Iola discover several underfed farm animals but cannot find a farmer.

Joe finds muddy footprints and fresh milk while Iola is warned to stay away from the property. Iola alerts Frank.

Joe searches the house and barn. Frank arrives but is spooked while looking for Joe.

While running from the farm, Frank and Joe encounter someone who becomes their new client. Later, they discover what is to become of the animals.