Humanity has found a way to achieve infinite energy by using coils to draw it from the fourth plane: dimension "W". With the production of coils having been monopolized by the New Tesla energy company, freelance collectors are hired to find and remove any illegal, unofficial coils.This is the story of collector Kyōma, who also happens to have a huge hatred towards coils. During one of his missions he stumbles upon a female android that perceives herself as being human, leading the two to enter an unlikely partnership.
Harvey Birdman, Attorney at Law features ex-superhero Harvey T. Birdman of Birdman and the Galaxy Trio as an attorney working for a law firm alongside other cartoon stars from 1960s and 1970s Hanna-Barbera cartoon series. Similarly, Harvey's clients are also primarily composed of characters taken from Hanna-Barbera cartoon series of the same era. Many of Birdman's nemeses featured in his former cartoon series also became attorneys, often representing the opposing side of a given case.
Mantis Commander and his minions try their best to be the bad guys they think they are. Police Inspector Yoo Mi Young also joins the team and she tries to have these guys work as a team by dealing with them rationally and sometimes emotionally.
Fourteen-year-old Renton had a fairly normal existence until Eureka crashed into his life -- literally! When the girl smashes her mecha into his father's repair shop and needs help getting it up and running again, Renton agrees, but soon finds himself evading a military attack. Eureka takes him with her to the airship known as Gekko-Go where he meets Holland, commander of the ship and leader of the underground movement known as Gekkostate. Now, Renton is helping to unseat an evil and corrupt government, all the while trying to manage his own adolescent life and get along with the clueless Eureka.