Bruce manages to save Robin from the Joker's pallete knife spinning mobile. When the villain (with the impression that Batman was too cowardly to stop him) returns to find Robin still alive, he pleads with Baby Jane Tower to forgive him and not press charges for kidnapping her and his other students. To everyone else's horror she agrees.
Later at her home, he covers her antique table in paint and makes plans to use the guillable girl to help him break into the Gotham City Museum and replace it's priceless paintings with his own.
But his true plan is to steal the Renaissance art collection for ransom, however Batman has a nasty surprise in store for him...