On account of the drought across the Earth, Mountain Huaguo having a water source is plagued by powerful monsters. To look into the cause of the drought and obtain a suitable weapon to resist with the powerful monsters, Sun Wukong and also his close friend Chikaoma Monkey engage at the East Sea, however they join up with a intrigue. With the Small Dragon Princess' assistance, Sun Wukong has the Ruyijingu Cudgel, defeats the wicked dragon Aoluan which wants to destroy the world, also conserves the human world.