Symbol: The Lost

: Langdon is summoned to the U.S. Capitol to give a lecture but finds a severed hand—the " Hand of the Mysteries "—belonging to his mentor and prominent Freemason, Peter Solomon .

: A series titled Dan Brown's The Lost Symbol premiered on Peacock in 2021 as a prequel, though it was canceled after one season. The Lost Symbol

The "Lost Word" is ultimately revealed to be the (or the Word of God), specifically hidden within the cornerstone of the U.S. Capitol. The "portal" symbolizes that the true power lies within human knowledge and the potential for enlightenment. : Langdon is summoned to the U