Batman is pushed to the limits by a new villain, Bane, who breaks his back. With Batman incapacitated, Azrael takes over as a brutal successor while Bruce Wayne recovers and reclaims his role, ultimately defeating Bane.
The Glorious Pictures or Batman: Knightfall is not affiliated with WB or DC in any manner. Batman: Knightfall is a Realistic CGI non-commercial fan-film being made by The Glorious Pictures only. It'll be officially released on YouTube when the production is done. It's entirely free.