“BATMAN AND SWAMP THING: THE DELTA CONNECTION.” Selina Kyle has Batman search for her sister, a prison escapee, in a Louisiana swamp, where he meets Swamp Thing—and a hit man hired to kill Felicia Kyle.

Batman arrives on a crime scene where police detectives inform him that a safe cracker named Albert Cowper has been the victim of a hit. His investigation has barely begun when, Selina Kyle visits Bruce Wayne to inform him that she fears her sister - currently doing time in Atchafalaya Prison my bay in danger.

Meanwhile, a severe storm downs power lines in Louisiana allowing Felicia Kyle (Selina's sister) to escape into the swamp. There she's pursued by two men until Swamp Thing and Batman intervene. But what does it all mean? Can Batman get to the bottom of this mystery?

The backup story, 'Endgame' is the culmination of events in a chess themed mystery being investigated by Nemesis.