Deathstroke finally meets his match: Arkham Asylum?! Now an inmate, Slade Wilson must prove his sanity so he can stop an alien invasion (what?). Before he can even attempt a breakout, he’s got to face off against angry Arkham inmates out to get him. And what’s Two-Face’s role in all this mayhem? He keeps showing up in two places at once! Meanwhile, Deathstroke’s daughter, Rose Wilson, is kidnapped! Can Jericho save his sister?