Captain Ellisa Shann commands Khidr, a search and rescue ship with a crew of twenty-five, tasked to assist the vast commercial freighters that supply the different solar system colonies. Now, while on a regular six-month patrol through the solar system, Khidr picks up a distress call from the freighter Hercules.

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...