"The Da Vinci Code" by Dan Brown: Summary.

In the Louvre, a monk of Opus Dei named Silas apprehends Jacques Sauniere, the museum's curator, and demands to know where the Holy Grail is. After Sauniere tells him, Silas shoots him and leaves him to die. However, Sauniere has lied to Silas about the Grail's location. Realizing that he has only a few minutes to live and that he must pass on his important secret, Sauniere paints a pentacle on his stomach with his …

…Sophie and Langdon to Scotland, where Sophie finds her brother and her grandmother. During the reunion, she discovers that her family is, indeed, of the bloodline of Jesus and Mary Magdalene. Sophie and Langdon part, promising to meet each other in Florence in a month. Back in Paris, Langdon comprehends the poem, which leads him to the small pyramid built into the ground in the Louvre, where he is sure the Grail must be hidden.