The film tells the story of a near future in which the earth is irreversibly sandy, as human emissions and rubbish exceed its carrying capacity. As plants and animals mutate to create the Earth's new masters, the "sand worms", which are slaughtering the planet and driving humans to the brink of extinction, the survivors are left to their own devices to find the only remaining refuge in the deep desert, the "Oasis". An exiled team of wealthy businessmen, scientists, security chiefs, mechanic families and gangsters set out on an adventure to find the Oasis in a special armoured vehicle, but the bloodthirsty insects are hot on their heels.

In the late Ming Dynasty, three sworn brothers who serve as the imperial secret police are dispatched to hunt down Wei Zhongxian, a eunuch politician who had been forced to resign from his influential post and exiled from Beijing. The brothers return successfully from their quest, only to find that their task was but the beginning of a strange conspiracy.

Zha, a top student with a high IQ, goes on a journey with Mo, a professional debt collector and sometimes hooligan, in order to face down her own neurosis, as well as cure Mo of his extreme insomnia.