When a heroic deed in Yorknew City captures the attention of the Phantom Troupe, Winry finds herself an unwilling student of Nen — and a pawn in Hisoka's designs against Chrollo. But when an opportunity for vengeance on the Ishvalan who murdered her parents arises, she must choose her path: the capable Nen user Hisoka claims, or the merciful woman Edward has always known.