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.

The Sloanes tie murder to the theft of a Shakespeare manuscript.

The National Library of France is the guardian of priceless treasures that tell our history, our illustrious thinkers, writers, scholars and artists. Telling the story of the exceptional treasures of the National Library of France is like opening a great history book rich in many twists and turns. Without the love of the kings of France for books and precious objects, this institution would never have seen the light of day. The story begins in the 14th century under the reign of a passionate writer, Charles V, who set up a library in his apartments in the Louvre. But it was not until the 17th century, and the reign of Louis XIV, a lover of the arts and letters, that the royal library took over its historic quarters in the rue Vivienne in Paris, which it still occupies.

Married book-dealers Joel & Garda Sloane try to clear a friend in the murder of a rival book-seller.

A probate lawyer handles the will and testament of his recently deceased elderly clients and uncovers a shocking secret about their middle-aged son's unusual roots.

Murder results when a group of houseguests converge on a chateau, each plotting to steal a valuable Gutenberg Bible.