Katie kitten, or a treasure of a sand castle. Medous D.

Lily and Jess came to the Friend of Friendship to take part in the sandy castles tournament on the Sapphire Island. But suddenly it was sharply colder, the lake was covered with a crust of ice, and winter reigned instead of summer. The girls are sure - these are all the intrigues of the evil witch Griselda. They have very little time - while all the inhabitants and guests of the island have not caught a cold, Lily and Jess needs to understand what happened and how to fix it!