The central mystery unfolds as Batman discovers the Red Hood is actually , the second Robin, who was brutally murdered by the Joker years earlier. After being resurrected via Ra's al Ghul's Lazarus Pit, Jason returns to Gotham not just to clean up the streets, but to punish Batman for allowing the Joker to live. Key Themes

The story centers on the emergence of a violent new vigilante in Gotham City known as the . Unlike Batman, who adheres to a strict code against killing, the Red Hood takes control of Gotham's drug trade by decapitating the lieutenants of mob boss Black Mask and promising to eliminate anyone who crosses his path.

: Bruce Wayne is haunted by his greatest failure—his inability to save Jason from the Joker—and must face the living consequence of that failure.

: The movie presents a "why" for Batman's code, forcing him to defend his refusal to kill even when faced with the suffering his restraint has caused. Production Highlights Batman: Under the Red Hood EXPLAINED