In a futuristic Gotham City, the story begins during Halloween as the city becomes a playground for chaos caused by villains. The Joker teams up with Solomon Grundy, Silver Banshee, Clayface, and Scarecrow to unleash a digital virus that plunges Gotham into anarchy. Using his formidable intellect and resources, The Joker plans to disrupt the city's digital infrastructure and take control of key systems, creating a terrifying environment where criminals can operate freely. Batman, along with his trusted allies Nightwing, Red Robin, Green Arrow, and Cyborg, must work quickly to contain the mayhem and find a way to stop this deadly alliance.

As tensions rise and Gotham's population faces more perilous threats from the rampaging supervillains, Batman and his team split up to tackle various elements of the crisis. While pursuing each villain, they face numerous obstacles and battles that test their resolve and teamwork. With the stakes higher than ever, the group is forced into a race against time to neutralize The Joker’s virus and restore order to the city before permanent damage is done. Throughout these confrontations, crucial alliances are formed and strategies unfold, showcasing each hero's unique abilities and determination to protect Gotham from certain doom.