The beautiful but strange rider of the black stallion causes quite a stir in the medieval castle just before the gates close. The lord of the castle and his people learn about her special status in a previously unknown world. But even the blue princess of Chalin can use some support. Trusting only in herself, she faces her task, which requires sophisticated decisions. It revolves around nothing less than freedom and responsibility. For Chalin is a world of peace, protected by palace law under the reign of the Queen.