After Lin Daiyu dies, her soul returns to Heaven and she is reborn as the Crimson Pearl Immortal Grass. The Great Sage Equal to Heaven, Sun Wukong, brings her back to Flower-Fruit Mountain and lovingly tends to her until she takes human form. Heaven is moved by Daiyu's transformation and confers on her the title of Crimson Pearl Immortal. At this time, Sun Wukong sets off to accompany Tang Sanzang on his journey to obtain the scriptures. Along the way, he endures countless hardships, while Daiyu secretly uses her magic to help him time and again. In the end, Sun Wukong becomes the Victorious Fighting Buddha. Their extraordinary bond, which began between an immortal grass and the Great Sage, becomes a celebrated tale in Heaven and the mortal world.