Twenty years into the future, a city now called "Tokyo" has developed into one of the few world-class high-tech centers, "Tokyo City." The main character, Ken Kanzaki, is a young investigator assigned to the criminal investigation section of the Metropolital Police. He is one of the finest sharp shooters in the Police.One day, Ken is ordered to provide security for a party held by for "Zaizen Konzern," a world-class plutocracy. All of a sudden, spector robots appear and distrupt the party. Zaizen, a commander-in-chief, is killed and both Ken and Jun. Zaizen's son,are fatally injured by the robots. Two of the party's guests, an auto-racer, Ryo Aguri,and a wresler, Go Goda, also receive serious injuries. Three severely injured young men are operated upon by scientists from the Metropolitan Police. Several days later, a robot corp led by a mysterious organization called "Ido" appears in the floating-town of the Tokyo Bay. But the Police and the Army have no effective strategies to contain them. At that moment, three young men attired in mechanical suits enter. They are the very three young men, Ken, Ryo and Go, who have been turned into the cyborg investigators through the operation. They call themselves "Armored Police Metal Jacks". "Metal Jacks," dazzlingly switching from "Jack Suits" to "Jack Armors," completely demolish the robot corp and achieve victory, thus signals the beginning of the battle between the high-tech criminals and "Metal Jacks" with a futuristic "Tokyo City" in the background.

Tatsumiyajima is the central island in the middle of a small cluster of islands, in a sleepy backwater of the Japanese isles. Not much happens there, and the island's young people go to school knowing that their lives are likely to remain peaceful and undisturbed. Or so they have been taught... but the truth is different. The fate of mankind is on the line, and Tatsumiyajima is the last line of defense against a hostile and incomprehensible enemy. At the center of it all, fighting for Humanity's continued existence, is the giant robot Fafner, the dragon that guards this final treasure of mankind. (Source: ANN)

Yo Hinomura was an ordinary Japanese potter when a run-in with a Chinese mafia changed his life forever. Now an assassin for the 108 Dragons, Yo is the perfect killing machine. As a sign for remorse over his victims, he sheds tears after eliminating his targets. Because of this, he is infamously known by the Dragons and every crime syndicate in the world as "Crying Freeman." (Source: ANN)

Since he was a child, Ryuuichi Naruhodou's dream was to become a defense attorney, protecting the innocent when no one else would. However, when the rookie lawyer finally takes on his first case under the guidance of his mentor Chihiro Ayasato, he realizes that the courtroom is a battlefield. In these fast paced trials, Ryuuichi is forced to think outside the box to uncover the truth of the crimes that have taken place in order to prove the innocence of his clients. Gyakuten Saiban: Sono "Shinjitsu", Igi Ari! follows Ryuuichi as he tackles cases to absolve the falsely accused of the charges they face. It will not be easy—standing in his path is the ruthless Reiji Mitsurugi, a prosecutor who will stop at nothing to hand out guilty verdicts. With his back against the wall, the defense attorney must carefully examine both evidence and witness testimony, sifting through lies to solve the mystery behind each case. With a shout of "objection!," the battle in the courtroom begins! [Written by MAL Rewrite]