未來世界，科技與數(shù)據(jù)主宰一切，當舊城區(qū)變得又老又擠，以最新科技打造的新世界，成為人人向往的移居地，然而唯有貢獻值最高的菁英，才有資格入住。八戒（許光漢 配音）又懶又自私當然失格，但他為了讓奶奶（鐘欣凌 配音）過好日子，決定違背良心，與建商總裁牛魔王（庹宗華 配音）私下交易……　　影片將《西游記》搬到科幻場景，八戒化身賽博胖客，與理工男三藏（劉冠廷 配音）、火爆護衛(wèi)悟空（庾澄慶 配音）、女機器人小凈（邵雨薇 配音），穿梭新舊混雜市景，探索幸福真諦。

　　Three men and a woman crash-land in a deep crater in Antarctica, where they find a prehistoric world.

 What begins as a peaceful venture into civilian life for a pair of military vets, quickly devolves into chaos when a nuclear crisis brings danger to their doorstep, igniting an unexpected alliance with a potential enemy, as they struggle to protect their team and overcome the shadows of their past in a lawless new world.

　　劉父半生積蓄被奸商所騙，更在法庭敗訴，郁郁而終，死前托女兒小云找奸人家族報仇。奸人家族一早不值奸商所為，設下以奸治奸的圈套，不料簡仁與簡貴為爭小云歡心，被奸商利用……