Love beyond all Odds (Adrian and Sydney's story)

Adrian Ivashlov is a vampire, not just a vampire but a royal moroi and Sydney Sage is a human an alchemist even. They live in different kind of Worlds and united to protect the queens only sister. As time went by, feelings began to show, affections began to move. Will their love be worth it? How about the odds that comes with it? How can Sydney help Adrian? And how can Adrian save Sydney? Will they survive or will they give up to their own mission.. What is greater? The mission of saving mankind or the mission to run away with your one true love.......