One problem that film makers have with comic books is that they have often gone far beyond what the general populance knows about the characters. Everyone knows, for example, that Dick Grayson is Robin. Well except he isn't. Dick grew up quite a few years ago and is now his own hero called Nightwing. There was a new kid who played Robin but no one liked him. So many people disliked him that there was a 900 number poll to see whether to kill the new Robin or not. Turned out bad for the kid. He ended up getting beaten by the joker THEN blown up.
That's where the latest Batman animation project starts. Batman rushing to save his protege only to come just in time for the fireworks. Years later Batman is even more brooding than usual which rates a good 10 on the Hamlet meter. He finds himself teaming up with Nightwing as there is a new threat in town who calls himself the Red Hood. The Red Hood was originally the first incarnation of the Joker, so Batman immediate suspects the crazed loony. But is it the Joker? Could it be the Black Mask? How about the mysterious Raas a Ghul? Who is the Red Hood?
This is a class bit of animation. Good design and strong character and story. Definitely check out the Red hood.