Freddy and Jake attend an underground diamond auction. Pieter and Cam meet with a Venezuelan diplomat about re-opening an abandoned mine. The U.S. Attorney's investigation into Pieter Van de Bruin causes problems in Ava's new relationship.

Jake and Cam are on opposite sides after Vincent's murder brings the conflict between Lady Rah and Pieter to head; and Freddy and Ava try to turn their fortunes around in Russia.

With Pieter holding Ava hostage, Jake and Freddy must come together to save her; the investigation into Pieter begins to close in on Green & Green; Cam strikes out on his own, making a deal with the cartel.