The novel concludes with Langdon and Katherine reflecting on the true power of knowledge and the importance of using it responsibly. In the end, Langdon and Katherine are able to uncover the location of the lost symbol and rescue Peter Solomon, but not before a series of intense action scenes and twists and turns that keep the reader on the edge of their seat. Mal'akh is determined to use the symbol to achieve ultimate power and control, and will stop at nothing to get his hands on it. Along the way, he is aided by Katherine Solomon, Peter's sister and a scientist who has made groundbreaking discoveries in the field of noetics, the study of the human mind and consciousness.Īs Langdon and Katherine race against time to find the lost symbol, they are pursued by Mal'akh, a former government agent who has undergone extreme physical transformations in order to become the perfect vessel for the ancient knowledge and power that the symbol represents. When Langdon arrives, he finds that Solomon has been kidnapped and is being held by a mysterious figure known only as 'Mal'akh,' who demands that Langdon solve a series of riddles and puzzles in order to find the lost symbol and save Solomon's life.Īs Langdon works to decipher the clues, he becomes increasingly convinced that the lost symbol is a powerful ancient artifact that holds the key to unlocking hidden knowledge and power. by his mentor, Peter Solomon, a wealthy philanthropist and high-ranking member of the Freemasons. The novel begins with Langdon being summoned to Washington D.C.

The plot follows Robert Langdon, a symbologist, as he becomes embroiled in a conspiracy involving the Freemasons, an ancient secret society, and the lost symbol of their organization. It is the third book in the Robert Langdon series, following Angels and Demons and The Da Vinci Code. The Lost Symbol is a novel by Dan Brown, published in 2009.

Mal akh the lost symbol