to protect the daughter of the dark lord (Rewritting)

what happens if severus snape has been tasked to protect a girl who doesnt even know who she really is that was forced to transfer from Ilvermorny School of Witchcraft and Wizardry in american in her 3rd year and to have her whole life unravel before her...
follow the story of Lucy dawn rose as she finds the truth behind her mysterious past and who she really is and if her life can truly be saved by 1 man

disclaimer: i own nothing except any of the characters i tell you are an oc all original character of harry potter belongs to jk rolling and the pictures are all from google and this is basically how I believe harry potter would of happened if I was in it