When Rebecca Crowley insists that she spotted her brother Richard, who has been MIA for years, Brooke and Jess are called in to investigate the claim. Despite the Army's official story that Richard died during a special ops mission in Bolivia, Brooke and Jess learn that he became involved in the drug trade, causing them to wonder whether Richard's disappearance was intentional. The more they discover, the more Brooke and Jess realize that he may not be the person they should be looking for.

Lorsque Rebecca Crowley demande au FBI de retrouver son frère, Brooke accepte la mission, malgré les rumeurs concernant sa mort il y a 17 ans. Après quelques recherches, Brooke découvre que Crowley est membre d'une unité d'élite militaire destinée à enquêter sur un chef Bolivien du cartel de la drogue. Pourtant Catherine O'Malley, Major de l'armée lui assure que Crowley est mort. Pendant ce temps, Jess découvre des lettres de son défunt père écrites à une certaine Juliet Ginsburg...