The Kingdom of Olympia

Clarisse is becoming Queen of the Kingdom of Olympia. Her parents were killed on a voyage out to sea two years ago. She and her sisters Thalia, Reyna, Piper, Annabeth, and Hazel have been locked in the castle for the past two years. But when Clarisse becomes Queen and the doors open, what happens when two sisters are kidnapped? Inspired by the movie Frozen. Rated T cuz I can.