Fighting the Gentle Tribulation of the Holy Buddha

After fighting against the Buddha, Sun Wukong was ordered to descend to earth to protect a plant of purple pearl transformed by Daiyu's obsession. He used his unruly Buddha heart to survive the calamity of tender love, but instead he was involved in an obsession that spanned three hundred years. Between the confrontation between Buddha nature and earthly fate, between protecting and letting go, what is the real "Tao"?