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.
Dig tells the story of Peter, an FBI agent stationed in Jerusalem who, while investigating a cuddle of a woman archaeologist, uncovers a conspiracy 2000 years in the making that threatens to change the course of history.