Bruce Wayne (voiced by Jason O'Mara) runs alone on the road of light and darkness, showing himself as a glamorous rich young man and putting on Batman's cape to uphold justice. In order to prevent Damian (voiced by Stuart Allan), the descendant of the "Assassin's League", from going astray, he conducts arduous and strict training on Damian. Until the process of tracking down the perverted demon Dollmaker, the villain was killed by the owl Talon (voiced by Jeremy Sisto), but Batman once thought that Robin had done this, which made Damian's dissatisfaction and resentment grow day by day. As time goes by, the differences and misunderstandings between Bruce and Damian seem to be getting deeper and deeper. With the reappearance of Talon, the confusion in the boy's heart has deepened. This pair of father and son, who are usually destined to be together, are destined to go through the most unbearable period of running-in...