Discovering they are both after the same thing during a museum robbery, Catwoman and Penguin form a partnership to grab hold of two valuable Egyptian relics. Batman attempts to stop both of them, only for Penguin to double-cross Catwoman before she can do the same to him. Put into a forced partnership with Catwoman, Batman finds the relics work with any form of light to create a powerful beam weapon, leading him to stop Penguin before he can use the power of Ra to level an occupied building in Gotham City.