A recap episode. Detective Kido reflects upon his experiences with Baki Hanma, and Hitoshi Kuriyagawa tells Kido about Baki's relationship with his mother and his fight with Yujiro.

In the first C-Block match of round two, Shiba Chiharu faces Ian McGregor.

Baki and Jack Hammer think about the training and hardships they've endured to reach their current level of ability.

Baki meets his friend Reiichi Ando in the woods and stays with him. While there, Baki adopts some of Ando's training techniques, and he camps alone on Yasha Rock, hoping to fight with the Yasha Ape.

Antonio Igari, a pro wrestler, tells Mitsunari Tokugawa, an old man who runs an underground fighting circuit, about Baki Hanma and his recent global travels. In the narrative, Baki is seen training and fighting, and, while in Brazil, he visits a fighting master named Dickson. Learning of the circuit, Baki returns to Japan to meet with Tokugawa, and he fights Tokugawa's bodyguards to earn a chance to enter the circuit.

Mitsunari Tokugawa announces his plans for a world martial arts tournament, and fighters from around the world gather for it. In the first fight of round one in the A-Block, Baki Hanma fights Artemis Regan, a professional wrestler; in the second fight of round one in the A-Block, Vale Tudo master Zulu fights Muay Thai master Dentoranee Jitpika.

In the third A-Block match of round one, heavyweight kickboxing champion Rob Robinson takes on the professional wrestler Anton Igari; in the fourth A-Block match of round one, Motobe Izo fights the grand sumo Kinryuzan; in the first B-Block match of round one, the Sambo master Sergei Taktaroff fights Retsu Kaio, a master of Chinese Kenpo; in the second B-Block match of round one, Kato fights the son of the Yasha Ape.

Baki saves the Yasha Ape's son from Katsumi; in the third B-Block match of round one, Hanayama fights the Japanese Kenpo master Inagi Bunnoshin; in the fourth B-Block match of round one, Roland Gustaf, a catch-as-catch-can wrestler, fights Orochi Katsumi.

In the second A-Block match of round two, Igari faces Kinryuzan; in the first B-Block match of round two, Retsu Kaio faces Mount Toba.

Baki Hanma fights a gang of 100 thugs; afterward, he is walked home by Detective Kido and his partner, who watched the fight. Baki then trains and thinks about what he should do to get stronger. Meanwhile, Kuriyagawa, the man who hired the thugs to fight Baki in order to test his strength, pays the gang's leader. Also, Baki watches a sparring match between Yuri Chakovsky, the international welterweight boxing champion, and Dinoy, Thailand's Muay Thai champion.

Baki spars with Yuri. Meanwhile, Kuriyagawa meets with Kaoru Hanayama, a gangster and renowned brawler, to set up a fight with Baki.

After returning home, Baki learns that Yuri will be fighting for the heavyweight title, so he visits Yuri at his gym. Meanwhile, Kuriyagawa tells Hanayama that he can't fight Baki until Baki has fought Yuri, but Hanayama has other plans. Before Yuri's title fight, he is attacked by Hanayama who defeats him and destroys his hand.

Baki explains to his mother why he fights, visits Hanayama in the hospital, and trains. After a brief encounter with Yujiro, who killed the Yasha Ape, which made Baki angry since Yasha was Baki's friend after their fight, they decide that Baki and Yujiro will fight in one month. Baki then meets Captain Gerry Strydum, who tells him of a mercenary group in Hokkaido, and Baki decides to go there to defeat them.

Flash forward three years: Baki Hanma is now the champion of the underground arena. Mitsunari Tokugawa meets with Doppo Orochi, a great Shinshinkai karate fighter, and asks him to enter his son in the arena. Doppo finds Kiyosumi Katou, a former student, at his dojo beating up his fighters, and he introduces Katou to the arena. Baki trains for a fight at the boarding house where he is staying, where Kozue Matsumoto, the daughter of the woman who owns the house, has a crush on him.

Andreanof Garland, the last reserver, is introduced when it is deemed that Shiba is in no condition to fight in the next round; in the second C-Block match of round two, Jack Hammer faces Misaki Kengo.

Igari begs Baki to let him win, and they fight in the first match of the quarter-finals.

Kiyosumi Katou spars with the fighters in Doppo Orochi's dojo; Kozue Matsumoto interferes with some bullies that are bothering Baki Hanma, which causes problems for her later; several fighters petition Mitsunari Tokugawa to be Baki's next opponent; Baki trains with Izou Motobe.

Yujiro arrives and enters his protégé Amanai Yu in the tournament; in the first C-Block match of round one, heavyweight boxing world champion Ian McGregor fights Taekwondo master Li Moko; in the second C-Block match of round one, biker gang leader Shiba Chiharu fights judo master Hatanaka Kohei; in the third C-Block match of round one, Shorinji Kenpo master Misaki Kengo fights pro wrestler Mike Queen.

Richard Filth, a bouncer, faces Orochi Doppo in the second D-Block match of round one; Roger Harlon, an amateur wrestler, faces the jujutsu master Shibukawa Goki in the third D-Block match of round one; Shinogi Kureha faces Shinogi Kousho in the fourth D-Block match of round one.

In the second fight of the quarter-finals, Katsumi faces Retsu Kaio; Andreanof Garland fights an anaconda to make things fair, since he hasn't fought in the tournament yet, and then he faces Jack Hammer in the third fight of the quarter-finals.

All of Baki's friends show up to watch his fight with Yujiro and to help him warm up; meanwhile, Yujiro fights Gaia. Also, Hanayama opens up to Baki about his mother.

Baki fights Mount Toba, a professional wrestler.

Yujiro Hanma shows up after Baki's fight and knocks him out, and Doppo Orochi challenges Yujiro to a fight. After watching Doppo spar with his students, Baki spars with him. Yujiro starts a fight with a group of boxers at their gym, and he fights with Izou Motobe and Baki's next opponent is revealed.

Dr. Shinogi Kureha reveals to his brother, Kousho Shinogi, the Cord-Cutter, why he is fighting Baki Hanma; Doppo Orochi and Yujiro Hanma fight.

Brazilian Jiu-jitsu master Sergio Silva faces pit-fighter Jack Hammer in the fourth C-Block match of round one; Yujiro tries to fight Hammer, but Baki intervenes; shoot wrestler Yamamoto Minoru faces Amanai Yu in the first D-Block match of round one.