Serpents of the Dark book 2 of why did no one tell me about Snape's son

Plan

The ministry stood there clutched together with a humungous smile. Oh Dumbledore thought he was sly when he put the barricade around the school keeping them out. No matter what spell they did it just responded it would take half the school year to able to take it out it's fine. They had a spy on the inside someone one that could lure the right out. No one would suspect they were dubbed as clumsy and crazy. They smiled  as they just sat and waited as she placed her plans and did what she had to do to save her face. If she didn't they deliver her father's head to her inside a box. They would watch as her humanity left her as she cast the avada cadavera spell on herself