Whence Cometh Darkness?

Draco Malfoy finds himself entangled in the rising Dark Lord's snare, with two monumental tasks at hand during his sixth year-to find a way to get the Sacrifices out of Hogwarts and to kill Albus Dumbledore in exchange for Hermione Granger's life spared. Hermione finds herself trying to assist Draco in his tasks, no matter the cost. A dark!dramione AU.