Peter's pursuit of Khalid dead ends and he and Cohen follow clues found in Emma's journal. Debbie takes Josh for an unauthorized outing and Avram continues his journey to Jerusalem.

Peter's discovery of an ancient coded secret leads to a race to find the final stone. Debbie faces the consequences for her attempted kidnapping of Josh. Avram is shadowed by a deadly assassin.

Peter delves into Emma's past, which leads to the discovery of a long-hidden, ancient symbol; someone from Debbie's past attempts to rescue her; and Lynn's life is put in jeopardy.

An ancient religious sect is ready to enact its plan; Peter partners with unlikely allies; Lynn realizes the depth of the conspiracy while investigating Ridell; Golan tries to crack more clues from the Donaldson case; and Avram moves to protect his valuable asset.

Peter races to stop the Order of Moriah's plans of destroying the Temple Mount.