The Sirens Are Singing

"I did not mean it." - "What?" - "To kill her." - "Who of the two?" When an ancient magical family is left with an unknown heir, Light and Dark battle to find and win them over to their cause. But not only the heir is torn between both sides; Severus Snape struggles to decide between what is right and what feels good. Rated M for Smut and Violence, more details in chapters.