天下大旱,花果山因为占有水源而深受周边大妖的骚扰,孙悟空与兄弟赤尻马猴为探明干旱真相,也为求一顺手兵器对抗大妖,前往东海竟宝大会寻觅一件趁手武器,却被卷入一场阴谋。为阻止邪龙敖孪毁灭人间,孙悟空在小龙女的帮助下打败敖孪,最终得到如意金箍棒,解决了人间的危机。Because of the drought around the world, Mountain Huaguo with a water source is harassed by powerful monsters around. To investigate the cause of the drought and also obtain a suitable weapon to fight the powerful monsters, Sun Wukong and his good friend Chikaoma Monkey participate in the Treasure Competition in the East Sea, but they get involved in an intrigue. With the Little Dragon Princess' help, Sun Wukong defeats the evil dragon Aoluan that wants to destroy the human world, gets the Ruyijingu Cudgel, and saves the human world.