“And why was Sebastian drawn to this devilish bookshop! “Couldn’t you think of another way to find out how to get rid of the curse of the sand,” Peggy Sue wondered, “after all, this is clearly a trap!” Having barely managed to escape from the fierce enchanted books, the friends learn about a new test - in order to be healed, Sebastian needs to get into the ominous black lock. Only the road to it is not indicated on any map, and residents of nearby villages do their best to dissuade the children from going to visit the mysterious knight, the owner of the castle...