Before the Future

You are on a mission, sent from the past to discover the world in 25 years time. But the thing is, there is nothing to discover. Your world has been annihilated, destroyed, captured into a life of darkness, and there is nothing you can do about it. Except to go back to where it all started. You are Anastasia Lauren, an 18 year old from San Francisco, California, or, what it used to be. He is Louis Gray, an 18 year old from the new world. What happens between these two as they travel back and forth through time to save the world from even bigger destruction , and will things go back to the way they were before or will they find their relationship stronger then everything. What will she choose, we'll have to look before the future............