With her job on the line because of Peter's disruptive behavior, Lynn suspects a possible mole in her midst at the consulate. Meanwhile Margrove and Peter both head to a convent with very different goals in mind. With nowhere else to turn and unable to trust anyone, Debbie returns to the compound seeking vengeance.

Dig tells the story of a murder mystery set against the backdrop of modern day Jerusalem, a city shrouded in ancient intrigue. FBI agent Peter Connelly has had his fair share of heartbreak. Anxious to leave his personal demons behind, Peter takes a job stationed in Israel under the guidance of his new boss, and occasional lover, Lynn Monahan. When he sets out to solve the murder of a young American, Peter soon finds himself embroiled in an international mystery that delves into the Holy Land's darkest secrets. What he discovers is a conspiracy thousands of years in-the -making that threatens to change the course of history. While Peter races to figure out what it all means, he quickly finds that he may not be the only one searching for answers.