The book follows Lucas Corso, a book detective who is hired to authenticate a rare manuscript by Alexandre Dumas. As he delves into the investigation, he finds himself entangled in a mystery involving two other books: a rare edition of "The Three Musketeers" and a satanic text, "The Book of Nine Doors of the Kingdom of Shadows". The narrative becomes a complex puzzle as Corso uncovers connections between the books, while also dealing with a seductive woman who seems to have stepped out of a Dumas novel, a mysterious killer, and a group of bibliophiles obsessed with Dumas. The lines between fiction and reality blur as he gets closer to the truth.

In "The Blue Lotus," a young reporter is sent on a mission to Shanghai during the Sino-Japanese War, where he uncovers a dangerous opium trafficking operation. Along the way, he befriends a Chinese boy who helps him navigate the cultural and political complexities of the region. The story combines elements of adventure, mystery, and political intrigue, set against the backdrop of historical events.

"Blake and Mortimer" is a comic series centering on two British heroes, a military intelligence officer and a nuclear physicist. The pair often find themselves embroiled in various international intrigues, battling against super-powered villains, alien invaders, and ancient civilizations. The series is known for its detailed artwork and complex plots, often involving science fiction and paranormal themes.