Based on Dan Brown's thriller novel The Lost Symbol, the series follows the early adventures of famed Harvard symbologist Robert Langdon, who finds himself pulled into a series of deadly puzzles when his mentor is kidnapped. The CIA forces him onto a task force where he uncovers a chilling conspiracy.
E1
Robert must solve a mystery to save his kidnapped mentor.
E2
Robert and Katherine try to decipher the most recent clue.
E3
Chased by the CIA, Robert and Katherine seek Nuñez's help.
E4
Langdon follows the next clue; Katherine teams up with Sato.
E5
Langdon reunites with Katherine and teams up with Sato.
E6
Mal'akh pressures Langdon and Peter to decipher the clues.
E7
Mal'akh sheds light on Zach's final days in prison.
E8
Katherine and Langdon persuade Isabel to protect herself.
E9
Langdon, Katherine and the CIA spring a trap for Mal'akh.
E10
Peter and Langdon wrestle over how to save Katherine.