"When the Joker leaves a clue saying that he will strike at midnight, Commissioner Gordon calls Batman. Midnight is only two hours away. But what mischief is the Joker up to? Can Batman figure it out in time?"--P. [4] of cover.
One of the trophies in the Batcave is Mr. Freeze's freeze ray, which he uses to create a zone of intense cold around himself as he attempts to steal a valuable diamond necklace--and it is up to Batman to stop the supervillain.
Hundreds of trophies and souvenirs fill the rooms of the Batcave, each with a story, and one such tale is how Batman outsmarted Catwoman and her pet jaguar and prevented the theft of a valuable emerald.