What will happen when Harry Potter is re-sorted into a different house. Will this cause emotions to run high or will it put him in more danger?

This is a story of a boy who lived. He was just a baby till his parents died and has taken on the... "You Know Who". Voldermort, a strong and powerful wizard. They think he is gone, but is he. Now Harry and his friends (Ron and Heromione) are now old have their own children. Their kids are now going to a school where their parents and grandparents went (Some of them) Hogwarts School Of Whitchcraft And Wizardry.