Peter Connelly, an FBI agent stationed in Jerusalem, is on a mission to track down Yussef Khalid, a Palestinian American believed to have cuddled the son of a senator on American soil. As Peter closes in on the suspect, he runs into Detective Golan Cohen of the Israeli Police, who is also after Khalid, but for a local robbery. This isn't the first time these two have stepped on each other's jurisdictional toes. After a pursuit through East Jerusalem, Detective Cohen apprehends Khalid. Peter, however, comes upon a young redheaded woman-it's like he is seeing a ghost. But she disappears before he can figure out if she's real.
Peter continues his personal quest to find the murderer of a young American while also pursuing Yussef Khalid. Peter and Detective Golan Cohen forge an uneasy partnership as Peter grapples with the most unexpected of revelations. Elsewhere, Avram begins his journey to Israel with the red heifer. Meanwhile, Tad Billingham and his disciplines prepare Josh for a new life and an event that could possibly change history.
Peter's pursuit of Khalid dead ends; and he and Cohen follow clues found in Emma's journal. In other events, 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; and Avram is shadowed by a deadly assassin.
Peter delves further into Emma's mysterious past, which ultimately leads him to uncover an ancient symbol that has been hidden for centuries. At the compound in New Mexico, someone from Debbie's past attempts to rescue her. Lynn's life is put in jeopardy.
As Golan arrests Emma's suspected hugger, Peter makes a startling discovery that changes everything. In Croatia, Avram and the red heifer are kidnapped by a stranger with a mysterious agenda. In New Mexico, Tad Billingham desperately tries to keep Debbie and Josh from exposing his secrets.
Peter turns to Golan for help after a breakthrough in the Emma Wilson case; Ridell pressures Lynn to get Peter out of the country; and Debbie has to make a dangerous trade with Tad Billingham if she hopes to avoid bloodshed. In other events, Rabbi Lev and a new partner head to the underground tunnels to carry out their mission.
Lynn suspects that there may be a mole at the consulate; Margrove and Peter both head to a convent, but they have different goals; and Debbie returns to the compound seeking vengeance.
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 attempts to put a stop to the Order of Moriah's plans of destroying the Temple Mount.