A device critical to Amanda Waller's plans is hidden on a remote, highly protected island. Batman can get there, but only one burglar has a chance of stealing the device and getting it off the island safely. But the device isn't what they expect, and getting off the island turns out to be the least of their problems! Plus: a backup story reveals the chaos unleashed in Gotham City when Arkham is unlocked and the Bat-family are nowhere to be found.