When James Potter comes home to find his parents brutally murdered his life is turned upside down and things that he once found important take a backseat to his immediate desire for revenge. Fortunately for him, there is another man with that same desire.
Step one, travel back in time. Next up, save the world. Not an easy task for him, considering he was now 0 for 1 in that department. The plan was pretty easy, go back to a time when the prophecy was no longer dictating the battlefield. Unfortunately, as life often proves, coming up with a plan is drastically easier than actually succeeding in said plan.