This work could have adult content. If you proceed you have agreed that you are willing to see such content.
Snape believes it is up to him to bring a wayward Harry back in line.
(An AU in which Voldemort is dead, and Harry's parents are alive, well, and raising Harry. Seriously, folks, if you're looking for long, drawn out explanations of these circumstances with really deep, stunning characterizations, look elsewhere. It's PWP with paddles, ffs.)