Bridge and Nicole take on a cold case, which quickly spirals into something more than they bargained for. A PI previously hired to look into the case mysteriously disappears. As Bridge and Nicole investigate, the clues lead them to the government agency they used to work for. The job takes them on several twists and turns, with Bridge and Nicole running into rogue agents, ex-spies, and a trip to Greece, where they will finally learn the truth about what is really going on.