When his housemate dies under mysterious circumstances, Nic Cross inherits a mysterious pyramid-shaped contraption left at the scene, unwittingly summoning a cult of wolf-people who dwell in the dark underbelly of London.
Archaeologist Rick O'Connell travels to China, pitting him against an emperor from the 2,000-year-old Han dynasty who's returned from the dead to pursue a quest for world domination. This time, O'Connell enlists the help of his wife and son to quash the so-called 'Dragon Emperor' and his abuse of supernatural power.