After thoroughly bamboozling his young patron, the Joker makes his move against the Gotham City Museum for a grand extortion scheme.
The Joker persuades wealthy heiress Baby Jane Towser to join him in his artistic capers. Aided by his new accomplice, the Joker easily clears out a wing of the Gotham City Museum to make room for his latest "masterpiece" - pieces of a broken table. But the laughing criminal has plans for the priceless collection of paintings that once filled the room.—Twenty Penguins