When Sun Wukong was trapped under Wuzhi Mountain for 400 years, he happened to be rescued by Ah Yi. Ah Yi's parents were killed by the Dragon Prince, and she wanted Sun Wukong to take her to the Heavenly Palace to lodge a complain. The Dragon Prince learned that Sun Wukong had escaped from Wuzhi Mountain, and was going to avenge the destruction of the Dragon Palace in the East... see more