When Huntress elected to go undercover in Arkham Tower, it was to investigate a place of healing that seemed too good to be true. But what happens when Helena Bertinelli really does need some healing? With Nightwing and Batwoman also on the inside, what began as an undercover mission has turned into a rescue operation as the mysteries of Dr. Wear's Arkham Tower begin to unravel! Then, in "House of Gotham" part three, the young boy rescued by Batman has begun his course of treatment at Arkham, so why are the only people showing him kindness those whom the law asserts are criminals? It's a cycle of violence the Dark Knight has no answer for as Gotham's most vulnerable struggle to keep their heads above water!