In the year 2524, four centuries after humans started colonizing the outer planets, retired General James Ford gets called back into service when a hostile alien fleet attacks soldiers on a remote planet. The threat against mankind soon escalates into an interstellar war as Ford and a team of elite soldiers try to stop the imminent attack before it's too late. Seven rogue soldiers launch a preemptive strike against a newly discovered alien civilization in the hopes of ending an interstellar war before it starts.