When they open an ancient Chinese book, best friends Miaka and Yui are transported to the bizarre and dangerous Universe of the Four Gods. In a world with no fast food and no friends, they must find the seven Celestial Warriors and tap the power they hold. Attacks by ninja emissaries, an excursion into the court of the enemy, and Yui's sudden transformation into the Priestess of Seiryu put the two to the ultimate test.