The adventures of Henry, Jessie, Violet, and Benny.
Four orphaned and homeless siblings happen upon an abandoned boxcar, which, they furnish with all the comforts of home. Fearful that they will be sent to live with their grandfather they have never met, the children keep their new home a secret.
The continuing adventures of Henry, Jessie, Violet, and Benny as they spend the summer on their grandfather's private island.
