Mr. Freeze returns and seeks revenge on Gotham City, with a big surprise for Batman.

Former stuntwoman and adrenaline junkie Roxanne Sutton becomes the rocket-riding thief Roxy Rocket, to chase danger and excitement.

Nightwing tells Robin the story of how he and Batman grew apart. The story reveals how Batgirl discovered Batman and Robin's true identities, and also explains some of the romantic flare between Barbara and Dick.

Exposure to a weird mixture of chemicals, including the Joker's laughing gas, changes straitlaced newsman Jack Ryder into the crazed Creeper. He looks to kill the Joker, and develops a much unwanted crush on Harley.