After unexpectedly being freed during a Changeling invasion, Discord finds himself allying with the Queen of the Changelings and the Mare of the Moon. In a bid to weaken their enemies, they take the element of magic, Twilight Sparkle, as a prisoner. Twilight then finds herself becoming a pawn each of them wants to use to secure their own dominance.

Will she be able to resist these beings of darkness, or will she fall into the darkness herself?