Alex is one of the best teenage assassins out there but things change when she is partnered up with her ex-boyfriend and ex fighting partner Dean. Alex hates him as he almost got her killed but she must learn to work with him, she wants the mission to be over and done with. But can that really happen when they don't know all the information? Alex will discover things that she didn't want to know and face things that even seemed to big for the best assassin. What will she do?