When the Alden children spend a week visiting at Pilgrim Village, they uncover the mystery behind the unusual happenings at the historic site.

Mystery ranch: The Alden's visit their mysterious Aunt Jane at her run-down ranch and make a surprising discovery! Mike's mystery : A nearby house burns down while the Boxcar Children are staying with their Aunt Jane and their friend Mike is blamed for starting the fire! Blue Bay mystery : The Alden's are excited to visit a deserted South Seas island. But soon they discover clues that they are not alone. Is someone on the island watching them?

The Alden children are thrilled when a famous orchestra comes to their town to perform, and when an original Mozart score turns up missing, they solve the mystery of its disappearance.

The boxcar children: Four orphaned siblings set up house in an abandoned boxcar because they think their grandfather is mean; but they realize he is nice and they move into his house and live happily ever after. Surprise Island: The Alden children spend living on their grandfather's island. The yellow house mystery: The Alden children determine to solve the mystery that surrounds an old yellow house on their grandfather's property. Strange things...

When they help out at a guide dog training school, the Alden children meet several people who seem obsessed with a particular dog named Ginger.

When their favorite author fails to arrive as scheduled to speak at the local library, the Alden children investigate how he could board a train and never be seen again.

In the first story, the Aldens are excited to be playing in their summer soccer league, until someone begins sabotaging the teams. Next, the Aldens investigate when the new coach of their community basketball league has her Most Valuable Player trophy stolen. Finally, in the third story, the Aldens help out at a minor league stadium and investigate when it appears someone in the ballpark is stealing the home team pitcher's signals and relaying them...

The Boxcar children must track down an instrument thief in time to save Greenfield's music festival from disaster.

The mystery of the singing ghost: The Boxcar Children are helping to fix up the house that their cousins have bought. But the house seems to be haunted by a ghost who sings! Will an old diary explain the house's secrets? The mystery of the mummy's curse: Strange things have been happening at the Greenfield Museum ever since an Egyptian mummy arrived for a special exhibit. Could an ancient curse be to blame for all the bad luck? The mystery of Skeleton...