One day before Hannah’s 12th birthday, the friends discover an old caravan and decide to make it the Horse Club headquarters.

One day before Hannah’s 12th birthday, the friends discover an old caravan and decide to make it the Horse Club headquarters. Whenever there’s a puzzle to be solved, Hannah, Lisa, Sofia and Sarah meet there. The area beneath the removable roof becomes a shelter for their horses.The girls sit around the folding table and make themselves comfortable on the beautiful cushions. I wonder whether they’ve discovered the secret compartment yet?