The veela and the lightning elemental

The night Voldemort killed the Potters he left something behind inside of Harry's scar. However due to the magical backlash it wasnt the only thing left inside his head. A certain redhead has a plan for her baby boy, how will it help when a girl who seems to real to be true steps in and comes close. Harry/Fleur. This is the promised full story of The ritual T for now going up later