Dan Brown's The Lost Symbol

Young Harvard symbologist Robert Langdon is drawn into a mystery when his mentor is kidnapped. Based on the best-selling novel. (S1, ep 1)

Reeling from recent events, Robert and Katherine get help and shelter from an old friend as they try to decipher the most recent clue. (S1, ep 2)

With the CIA in hot pursuit and Mal'akh demanding they split up, Robert and Katherine are forced to turn to Nunez for help. (S1, ep 3)

As Langdon follows the next clue alone, Katherine teams up with Sato to find her father another way. (S1, ep 4) Enhanced for UHD.

Melencolia I: When Mal'akh sends a disturbing video of Peter, Langdon is forced to reunite with Katherine. Meanwhile, Nunez follows a hunch. (S1, ep 5)

Mal'akh pressures Langdon and Peter to decipher the clues, while Katherine, Nunez and Sato try to regroup. (S1, ep 6)

A cornered Mal'akh sheds light on Zach's final days in prison while a reunited Langdon and Katherine face their shared past. Violent scenes. (S1, ep 7)

Katherine and Langdon try to persuade Isabel to protect herself. Elsewhere, Peter reconnects with his fellow Leviathan members. (S1, ep 8)

Upon finding an unexpected clue, Langdon, Katherine and the rest team up with Sato and the CIA to spring a trap for Mal'akh. (S1, ep 9) Enhanced for UHD.

As Mal'akh's plan enters its final phase, Peter and Langdon wrestle over the sacrifice needed to save Katherine. Season finale. (S1, ep 10) Enhanced for UHD.