Infinite fluff. It’s just โฆ mountains of fluff. Not even a good take on competent adults or anything, just “what if everything just worked out forever”.
Plot summary
Beware: full spoilers! Also probably incomplete and possibly incomprehensible.
Severus gets Harry from Privet Drive, with Minerva. They build him the perfect little room, teach him, blah. Discover James put all the money into the war. Figure out the Horcrux and that Voldemort is in Quirrell. Snape gets help from Flamel. Wizarding Culture Club with dances and stuff, Harry in Hufflepuff, friends with Draco and everybody except Zacharias Smith in Gryffindor. Voldemort is trapped in the Morror forever with the help fo Flamel.