Framed for the brutal murders of his classmates by the mysterious Red Man, middle school student Ganta Igarashi finds himself sentenced to death and sent to the bizarre and fatal theme park/prison that has risen from the ruins of the Great Tokyo Earthquake--a hell on earth known as "Deadman Wonderland."

After Ganta hunts down Tamaki, Wretched Egg appears, and Ganta finally learns that it is Shiro behind the mask. Standing before the court, his heart torn between wanting revenge for his slaughtered classmates and protecting the person he still cares for, Ganta's sentence is reversed. Still on the brink of despair, Ganta decides to put an end to everything, and then...