The Joker has finally tired of losing to Batman every time they meet. The battle to determine the fate of Gotham City is about to begin. It is now known that the Joker has led several of Batman's worst enemies in a break out of Arkham Asylum. Since then, they have hijacked hundreds of bombs all over Gotham. Then one day when it all seemed quiet for a change.

They attacked.

Explosions rocked the city, claming many civilian lives. The GCPD led by Commissioner Gordon came to the rescue. But many cops were lost in the ensuing battle; it was only a matter of time until Gotham's Knights led by Batman came to the city's defense. Since then, disaster has occurred. Batgirl has been captured; Nightwing has been wounded with a bullet to the chest and most disturbing of all.

Batman is dead.

The boy wonder, Robin was the only one to emerge unscathed from the battle. Since then, he has done the only thing he can do. He has called upon the Teen Titans to led them into battle against his former adversaries, but with Batgirl's kidnapping, Nightwing's condition and the fall of Batman and of course, his obsession to catch the bad guy, Robin slowly begins to cross the line….