月球最高監(jiān)，窮兇極惡伯格羅多星鮑里斯（杰奈·克萊門 Jemaine Clement 飾）越獄逃亡他在1969年犯下邪惡行，最終被輕的K（喬什·布洛林 Josh Brolin 飾） 砍掉一只手臂，送入獄。此次他脫的目的，是穿越時(shí)空死K。與此同時(shí)，J （威爾·史密斯 Will Smith 飾）和K（湯米·李·瓊斯 Tommy Lee Jones 飾）一如既往處各種外星人起的混亂，對(duì)鮑里斯的件三緘其口兩個(gè)好搭檔生隔閡。 嶄新的一天，J發(fā)現(xiàn)K消失不見(jiàn)，周圍更乎沒(méi)人知道K這個(gè)人。此的K已在40年前被鮑里殺死，他所立的A網(wǎng)也不復(fù)存在。在危急時(shí)刻，格羅多星人舉入侵地球為了保護(hù)家，J必須穿越時(shí)空再次改歷史…?
During the Republic of China, warlords had countless trees cut down to make ways for the railways. Deforestation hugely disrupted the nature, and the snakes decided to take a revenge. Yong An village was severely attacked by numerous venomous snakes, and many villagers were injured or dead. To save the villagers suffered from the poison, a snake hunter named Mu Sheng had to take up the responsibility. In order to get the serpent flowers, he organized and led a group of people to explore a dangerous land.
