When Clara vanishes after the puppeteer Grisini and two orphaned assistants were at her twelfth birthday party, suspicion of kidnapping chases the trio away from London and soon the two orphans are caught in a trap set by Grisini's ancient rival, a witch with a deadly inheritance to shed before it is too late.
At the request of their distant relative Althea, the Boxcar Children arrive at her old Virginia mansion and investigate the mysterious incidents happening there.
When she discovers that Nellie and her sisters have been sent to an orphanage, Samantha, now living with her aunt and uncle in New York City, tries to help her friends as much as she can.
Falsely accused of theft and murder, an orphaned peasant boy in fourteenth-century England flees his village and meets a larger-than-life juggler who holds a dangerous secret.
Anne Shirley, the imaginative orphan girl taken in by brother and sister Marilla and Matthew Cuthbert, is all grown up at sixteen-years-old, and ready to take her place as the new teacher at Avonlea school.
While Dessa and her two companions find refuge in a stable, the owner of the inn is making a deal with the smugglers and the Captain Drake and the royal guard ride in to the yard, causing chases, captures, mishaps, and narrow escapes.
The Alden children discover another mystery when the agree to help injured Mr. Yee tend to his plot in the community garden and find out that vegetables are going missing and plots are being vandalized.
The Aldens discover that one of Pikesville's little league coaches has been cheating all season, which is somehow related to a plan to raze the town's historic baseball field.