Wolfsbane

Rory MacSeth, kept a virtual prisoner in his own father's dun and hunted by the Sithe queen, escapes to the Otherworld where he tricks Hannah Falconer, also trapped by circumstance, into crossing the Veil with him. Meanwhile, Seth MacGregor, fighting to keep his clan safe from the malevolent Queen Kate, is shocked to learn who is leading an attack against the clan after years of stalemate.