Dan Brown's The Lost Symbol
The early adventures of young Harvard symbologist Robert Langdon, who must solve a series of deadly puzzles to save his kidnapped mentor and thwart a chilling global conspiracy.
6. Diophantine Pseudonym
6.4Oct 21, 2021 · 47 min
Mal'akh pressures Langdon and Peter to decipher the clues. Katherine, Nuñez and Sato try to regroup.