The press continues to attack Batman and Robin, thanks to framing by Mr. Freeze. As public animosity mounts, the Dynamic Duo decide to hang up their capes for the time being. But when Mr. Freeze demands the impossible sum of one billion dollars, or else he will cover all of Gotham City with ice, the Caped Crusaders feel compelled to go back into action to foil the frosty villain.

Joker plans to take over Gotham City using a time machine and hallucinogens in the city's reservoir. Alfred arrives at the Water Works on his Alfcycle to save the city, with a little help from the Dynamic Duo.