Instead of choosing Harry, Voldemort chose Neville as the boy form the prophesy. Harry was spending a sunny morning with his parents when the news of Voldemort's death reached them. Harry is just an ordinary boy and Neville is 'the boy who lived'.
It's about four Ravenclaws who return to Hogwarts the year after the great battle against Voldemort. It's just a fun read no plot just characters