ACDC

"T.N.T., I'm dynamite. T.N.T." When Potions master Severus Snape encounters an abused little boy with a lightning bolt scar and his horrid relatives, that's what he hears in his mind. How can he keep the boy safe and himself still in the good grace of one Albus Dumbledore? Eileen Prince, retired to a witches coven in the Hebrides, might be of help.