The famous consulting detective Sherlock Holmes is bored out of his wits by the sheer stupidity that surrounds him. When one day he and Molly are having college students visit their lab, things don't seem to be getting any better. But when viewing a body, one student stands out, with intellect and social skills that rival even those of Sherlock Holmes.

Harry finds a baby girl abandoned in the ruins of a Death Eater safe house, a letter left behind her. Startled by history repeating itself, he and Ginny take the child in as their own. But what will happen when her legacy begins catching up to her? During her fifth year at Hogwarts she's experiencing mortifying surges towards the Dark Arts, a reminiscent gift from her true parents.