For many years, fierce wars were fought between hikari and rugaru. The wise ruler of the hikari Linias, in order to prevent this in the future, decided to give his daughter, Princess Arela, to marry the Mad King. Rugaru have always been famous for their cruelty, and the princess, not being delighted with such a prospect, comes up with her own plan. What is the role of a simple girl Sofia in it? Or is it not as simple as it seems? And what awaits the Kingdom in case of failure?..