Lina and Gourry hear of the famous "Zoanna's Evil Book" and go to the kingdom of Zoanna. The kingdom's in the middle of a festival and there they cause a trouble. To their surprise, their former companion, the princess Amelia from Sayloon kingdom, appears. She came as a diplomat to stop Zoanna's plan to invade other countries. She goes in to face the king of Zoanna all by herself. However, her old friend, Zelgadis appears and arrests her. He was working for the king in order to get "Zoanna's Evil Book" for himself. The king and his daughter, Martina, plan to invade Sayloon kingdom with Amelia as their hostage. However, Lina and Gourry save her when they happen to sneak in to steal the book... Being cornered, the king and Martina try to attack them with the Golems which they revived with the power of the book. Of course, they can't be a threat to Lina. With her "Dragon Slay," she blows away the Golems and Zoanna's castle together and destroys the king and Martina's vicious plan.