The greatest villain of all comes out of the past to threaten Batman, Bruce Wayne and all of Gotham. While trying to uncover the Joker's secrets, the new Batman, Terry McGinnis, discovers the greatest mystery in the life of the original Caped Crusader: what happened the night he fought the Joker for the last time. When Bruce Wayne is almost killed in one of the Joker's latest attacks, Batman vows to avenge his mentor and put the Joker to rest forever.