"Abyss" part three! The new Batman Inc.'s heinous crimes have landed them in a high-security prison. Batman believes the only way to help his old allies is to break them out-but they don't want his help! Meanwhile, Batman Inc.'s mysterious benefactor uses the chaos to enact their plans, but finds themselves lost in the dark against Abyss! Backup: The mysterious disappearances being investigated by Maps and Batman take a violent turn...Could this missing persons case be something much darker?