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.

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.

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 Freddy smuggle Lady Rah's diamonds into Vancouver, but things don't go as planned. Cam and Isaac butt heads over the direction Green & Green is taking. New evidence comes to light in the Avi Kreshman case.

Jake and Lady Rah form an uneasy alliance against Pieter. Freddy and Ava work together to gain access to a Russian diamond syndicate. Cam's relationship with Sarah takes a turn for the worst.

The Green family comes together for a funeral, which brings long simmering tensions to the surface. A mysterious diamond dealer with ties to Cam's past arrives in LA.

To get to South Africa in time for the diamond conference, Jake must find Freddy and get the "Anastasia appraised. Lady Rah proposes her plan to re-certify the world's most expensive diamonds, and Cam heads to London to confront Malcolm's mother.

With the diamond expo and recertification process underway in Cape Town, Jake and Freddy try to sell the Anastasia diamond. Lady Rah offers to help Ava and adds another name to her hit list when part of her plan goes awry.

In an attempt to get out from under Lady Rah, Jake plots a heist at the San Pedro docks with disastrous consequences.

With the Green Family in shambles, Jake realizes that finding the Holocaust Diamond will put them back on top –but a fruitless search leaves a dangerous trip to Venezuela as the Green Brother’s only option.

Jake and Freddy attempt to steal diamonds from the Venezuelan mine that they no longer own - but when the Cartel learns of their subterfuge, they find themselves running for their lives.

An armed robbery at Ava's house leads to a momentary truce between Jake, Ava and Cam. Freddy finishes the Anastasia diamond, and Jake goes to Tessa for help.