The death of Robin ignites Batman's most personal vendetta. Jason Todd, the second Robin, defies Batman's orders and pursues the Joker alone, leading to his brutal murder. Consumed by grief and rage, Batman embarks on a relentless quest for vengeance, aided by Superman, to bring the Clown Prince of Crime to justice. The narrative explores the psychological toll of loss on Batman and the moral lines he is willing to cross.

This storyline is widely regarded as a landmark event in Batman's publication history, particularly for its controversial and impactful decision to kill off a major character. The narrative's raw emotional intensity and its exploration of Batman's darker impulses have resonated with readers for decades. The story is frequently cited as a definitive moment that shaped Batman's character and his relationship with his sidekicks. Its legacy is cemented by the fan vote that ultimately led to Robin's demise, making it a unique and unforgettable chapter in the Caped Crusader's saga.