It is the year 2390. Lieutenant Nathan Miles begins duty in the 6th Terran Fleet, commonly know as the Wolf's Fleet. This fleet, having mostly autonomical command structure, is responsible for safety of strategic Alliance systems - the Wolf's Group, intensively colonized sector where multiple Ancient ruins have been found. Human- and Vasudankind are protected by their powerful navy, but despite that, times are not easy. Mysterious terrorist organization called Cerberus Legacy is rapidly spreading its influence in the GTVA, and their leaders are preparing an intrigue that may lead the Wolf's Group on the brink of destruction...