Earth is completely at peace, at least as far as the public is concerned. In the year 2024, The Millennium Peace Accord put drastic restrictions on troop deployments and limited the size of armies that governments could levy. The three major private military corporations – international, publicly traded companies whose product is military force and who were founded in the early years of the century – become the only forces who can truly wage war. With all three companies eager to land lucrative international military contracts, SVER, Raven and Valor are locked into the "Shadow War." The year is 2025, and all three corporations fight secret, unofficial battles for financial and military supremacy.