George, host of a television show focusing on literature, receives videos shot on the sly that feature his family, along with disturbing drawings that are difficult to interpret. He has no idea who has made and sent him the videos. Progressively, the contents of the videos become more personal, indicating that the sender has known George for a long time.

A murder in Paris’ Louvre Museum and cryptic clues in some of Leonardo da Vinci’s most famous paintings lead to the discovery of a religious mystery. For 2,000 years a secret society closely guards information that — should it come to light — could rock the very foundations of Christianity.

Benjamin Franklin Gates and Abigail Chase re-team with Riley Poole and, now armed with a stack of long-lost pages from John Wilkes Booth's diary, Ben must follow a clue left there to prove his ancestor's innocence in the assassination of Abraham Lincoln.

In 19th century Paris, a maniac abducts young women and injects them with ape blood in an attempt to prove ape-human kinship but constantly meets failure as the abducted women die.

Chan, in Paris for a reunion with friends from World War I, becomes involved in investigating the murder of a munitions manufacturer who was supplying arms to the enemy, even as the rising clouds of World War II force the city into nightly blackout status..

Charlie's visit to Paris, ostensibly a vacation, is really a mission to investigate a bond-forgery racket. But his agent, apache dancer Nardi is killed before she can tell him much. The case, complicated by a false murder accusation for banker's daughter Yvette, climaxes with a strange journey through the Paris sewers.

A young woman joins a theatrical troupe where she slowly believes that the director is involved with a secret group and that he is in grave danger.

A German intelligence officer investigates a prostitute's killing in Warsaw during World War II. He lands on three major Nazi generals as suspects, two of whom are also involved in a plot to kill Adolf Hitler.

Famed architect Jeremy Angust is approached on his trip to the Paris Airport by a chatty girl named Texel Textor who needs a ride. He obliges and after they part ways at the airport entrance, he misses his flight. As he settles in the lounge, he encounters the mysterious young Texel again, who insists on telling her strange story — and the conversation grows stranger and more twisted until it turns sinister and deadly.

An adventure set in the early part of the 20th century, focused on a popular novelist and her dealings with would-be suitors, the cops, monsters, and other distractions.

After starting their own detective agency, Nick and Audrey Spitz land a career-making case when their billionaire pal is kidnapped from his wedding.

When several women are found mutilated and murdered, the Paris police are baffled as to who the killer may be. All evidence points to Dupin, but soon it becomes apparent that it is someone (or something) stronger and deadlier than a human.