"The air reeks of decaying corpses and fresh blood. The sounds of terror and gunshots fly through the atmosphere, but still I trudge through the battlefield, my weapon at my side, his fingers intertwined with mine, and my eyes locked on the enemy before us". It's 2048, and it seems our world is coming to an end. Otherworldly beings walk among us, more powerful then any weapon mankind has to offer. That is, until now. Scientists have created a serious of Serums, six to be exact, that have just the right chemicals to combine with the human body. The catch? Thousands of teenagers ranging from sixteen to nineteen are taken from their homes, forced into fighting an alien race they aren't sure they can beat. Solar Grady is among the thousands forced to give up their own lives in exchange for the human race to survive. Having lost everything near and dear to her already, what harm will a little needle do?