1898: Bound for Chicago, the freighter Jerry McGuen goes down in Lake Michigan with all aboard. What other fate could befall a vessel carrying the ill-gotten sarcophagus of an Egyptian sorcerer? Because a curse unspoken is no less deadly. Now: A veteran diver and "ghost ship" expert exploring the wreck for a documentary dies inexplicably inside the freighter and rumors rise like bubbles: ancient demons have awakened.