Batman visits Aquaman during an investigation into some unusual seismic activity. There he discovers that Aquaman's brother Orm is working with Black Manta to conquer Atlantis.
When three of his former classmates kill their former martial arts teacher, Batman enlists the help of fellow student Bronze Tiger to stop them from stealing the powerful Wudang Totem that the elderly sensei was guarding.
The Red Hood, a hero from an alternate dimension, enlists the Dark Knight's help against the Injustice Syndicate, a team of supervillains who are doppelgangers of Batman's friends back home.
Magically transported to 19th century London, Batman aids Etrigan the Demon and Sherlock Holmes in battling Gentleman Jim Craddock, the future Gentleman Ghost.
The robotic superhero Red Tornado builds a "son" named Tornado Champion, but Batman's concerns are realized when the new robot turns itself into a villain named Tornado Tyrant.
Batman and Green Arrow team up to retrieve a pair of statues stolen by Catwoman. Later, Batman tries to free the Outsiders from one of Psycho Pirate's machines.