At the beginning of the 1990s, famous tomb explorer Hu Bayi decided to retire to Manhattan with his fiancée Shirley Yang. But before his wedding, Bayi discovers his first love Ding Sitian, who had supposedly died 20 years ago, is actually still alive. They're lured back to their original vocation by a mysterious, businesswoman/cult leader Ying Caihong who wants them to find the ancient tomb of a Mongolian princess. They eventually learn that what she really wants is to possess a famed artifact known as the Equinox Flower that allegedly has the power to raise the dead.