Batman Beyond plot
Bruce Wayne is still Batman, but his age is starting to play tricks on him. One day, he tries to free a hostage in his new Batman outfit. During the fight, he suffers a heart attack and in order to stay alive he must deny his main principle and pick up a gun. In the Batcave, he stores the costume next to his Batsuit, Batgirl's and Robin and Nightwing's. He is forced to stop fighting crime for good. 20 years later, Terry McGinnes, a 17-year-old boy, takes over with Bruce as a mentor. Classic and new villains are popping up in Gotham City.