As Eric negotiates the release of an arms dealer's son from a kidnapper, he uncovers a larger plot to destroy hundreds of lives. Also, Zara is shaken when she must work with an abusive ex-colleague in order to prevent this terrorist attack.

When a hostage is executed in the midst of a high-stakes negotiation, Eric is charged with aiding and abetting a kidnapper, and he faces self-doubt in the wake of his fatal error.