The Unicorn Princess

It's just another fun day in the land of the unicorns until an evil unicorn appears and the princess disappears. All the kingdom is upset and the King and Queen know that it will take an extraordinary knight to save their daughter. He will have to successfully find the kingdom's three water unicorns to help him on his quest to free the princess, but no one has ever been able to find them before. Will the knight be able to find all three of the water unicorns, defeat Firestorm, the dragon unicorn