Batman wakes up with Harley quinn tending to him sort of and gives him the low-down of what's happening i.e. Joker unifying all the gangs of Gotham by paying them Batman's money and giving them Batman's tech, Punchline controlling the gangs from Tricorner yards and purchasing, Underbroker and his gang of corrupt lawyers keeping the city paralyzed city hall.
However for Joker himself, Harley tells that he's been airing online videos none stop telling of the airing of The Mark of Zorro at the Monarch, Incidentally this is the film Bruce and his watched the night they were murdered.
Batman goes to the and finds the hall filled with the corpses of Joker's passed victims.
This was a great issue deliciously dark, the storyline is great so far and is being written by some exceptionally talented writers in James Tynionand Jorge Jimenez.