Weapons expert James McCullen has created a nanotechnology-based weapon capable of destroying an entire city. His company MARS sells four warheads to NATO, and the U.S. Army is tasked with delivering the warheads. Duke and Ripcord are delivering the warheads when they are ambushed by the Baroness. The two are rescued by Scarlett, Snake Eyes and Heavy Duty. They take the warheads to the G.I. Joe's command center, rendezvousing with General Hawk. McCullen...

Kolabi is taken into custody and Roban attends a mystery meeting with Prosecutor Machard.

Berthaud and her team visit the scene of the immolation of a Kurdish detainee.

Gilou breaks into the Sarahoui's nightclub to retrieve incriminating evidence against him.

Following the attack on one of Karen's gang members, Laure's team makes a breakthrough in the case of the double murder.

Sami's undercover mission nears the end.

Laure continues to pursue the bank robber gang as a lead in the double murder.

Gilou offers to use one of his dubious connections as part of the effort to catch the mugging ring.

Laure and her team are on the hunt for the missing father and son in the double murder case.

Berthaud uncovers what appears to be an organized work crew of illegal immigrants.