The Mongolian Border, 1979: Massive fossils of unknown creatures are discovered in the mountains, and the research team assigned to excavate the remains includes acclaimed Professor Yang (Wang Qingxiang), Hu Bayi (Mark Chao), and Ping (Yao Chen), the professor's beautiful daughter. When a freak explosion, lethal bat attack, and fall to the mountain's floor leaves only a handful of survivors, the small remaining band uncovers a mythic Cyclopean Temple - and an Interdimensional Portal that looses a pack of ravenous Hell-Beasts, leaving only Hu alive. New York City, Present Day: Now living a quiet but tormented life as a librarian, Hu studies demonology manuscripts to find answers for that fateful day. Little does he know that Professor Yang has just been found wandering the mountains thousands of miles from where he supposedly died; a young woman with amnesia was just discovered in a recently-uncovered tomb; and a Northern Chinese mining town has just been ravaged by giant, unknown ...

China, Later Tang Dynasty, 10th Century. On the eve of the Chong Yang Festival, golden flowers fill the Imperial Palace. The Emperor (Chow Yun Fat) returns unexpectedly with his second son, Prince Jai (Jay Chou). His pretext is to celebrate the holiday with his family, but given the chilled relations between the Emperor and the ailing Empress (Gong Li), this seems disingenuous. For many years, the Empress and Crown Prince Wan (Liu Ye), her stepson, have had an illicit liaison. Feeling trapped, Prince Wan dreams of escaping the palace with his secret love Chan (Li Man), the Imperial Doctor's daughter. Meanwhile, Prince Jai, the faithful son, grows worried over the Empress's health and her obsession with golden chrysanthemums. Could she be headed down an ominous path? The Emperor harbors equally clandestine plans; the Imperial Doctor (Ni Dahong) is the only one privy to his machinations. When the Emperor senses a looming threat, he relocates the doctor's family from the Palace to a ... Written by Sony Pictures Classics

When her son is kidnapped, the inventor of a time machine teams up with multiple versions of herself to rescue him.