Carrie has barely recovered from thwarting an alien invasion of her home town when she's whisked away to the heart of the Kyros Alliance and pressed into service with the Vanguard, a cosmic peacekeeping force dedicated to defeating the terrorist network known as the Black End. Surrounded by hostile extraterrestrials, including among her teammates in the Vanguard, Carrie finds herself in for the fight of her life against an unstoppable force hellbent on spreading chaos and destruction - and if the Kyros Alliance falls, Earth could be next. Get ready for the wildest ride yet in the saga!