Henry, Jessie, Violet, and Benny used to live alone in a boxcar. Now they have a home with their grandfather, and they are working at a mall owned by his friend. When the Aldens arrive at Hope Harbor, they're excited to see the crowds of shoppers and the endless variety of stores. But as they begin to work at Penny's Emporium, a novelty shop in the mall, everything starts to go wrong. Some of the other mall workers don't seem to want the Aldens'

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The Boxcar children, while participating in the "Teddy bear festival," help recover a valuable teddy bear that disappeared from the toy hospital.

While staying at the Crooked House, the family home of their housekeeper Mrs. McGregor, the Aldens try to solve a riddle that will lead them to a hidden treasure.

Everyone wants to score points for their cabin. But are some of the other campers trying too hard to win? When the camp flag goes missing and contest ideas are stolen, it looks as if someone isn't playing fair. Can the Boxcar Children prove there's cheating going on at the Camp Seagull Opympics?

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.

The Aldens investigate the rumors of ghosts, disappearing props and a haunted seat in the Trap-Door Theater.

While helping their grandfather prepare for Greenfield's Winter Festival, the Alden children uncover a mystery surrounding the statue in the town square.

Bad luck hits the Greenfield Museum with the addition of an ancient mummy exhibit. Annotation. The Aldens are helping the museum curator set up an exhibit about life in ancient Egypt. But the longer the Aldens are around the exhibit's mummy, the more things go wrong. Has the museum been struck by a curse from the ancient mummy? Illustrations.

Taking a shortcut through the Greenfield Cemetery, the Aldens stumble across a local superstition which maintains that visitors are required to leave gifts or suffer the wrath of a malevolent ghost, a suspicious tradition that prompts the children to expose the truth.

At the request of their distant relative Althea, the Boxcar Children arrive at her old Virginia mansion and investigate the mysterious incidents happening there.