The wife of an American doctor suddenly vanishes in Paris and, to find her, he navigates a puzzling web of language, locale, laissez-faire cops, triplicate-form filling bureaucrats and a defiant, mysterious waif who knows more than she tells.
After a botched assassination attempt, the mismatched duo finds themselves in Paris, struggling to retrieve a precious list of names, as the murderous crime syndicate's henchmen try their best to stop them. Once more, Lee and Carter must fight their way through dangerous gangsters; however, this time, the past has come back to haunt Lee. Will the boys get the job done once and for all?
An all-expenses-paid international search for a rare copy of the book 'The Nine Gates of the Kingdom of Shadows' brings an unscrupulous book dealer deep into a world of murder, double-dealing and satanic worship.