A Saiyan space pod flying through space crash-lands on Earth out of which a wounded Broly crawls out, who barely escaped from the "new" planet Vegeta just moments before it was destroyed. The Legendary Super Saiyan reverts to his normal state, then falls into a coma as the crater freezes over him. Seven years later, Goku is deceased having sacrificed his life to save the Earth from Cell. Goten, Trunks, and Videl search for the magical Dragon Balls and encounter the cursed village, Nataday. With the villagers haunted by a supposed monster, they are prompted by their priest to conduct human sacrifice to appease the threat. Goten, Trunks, and Videl devise a plan to bait the supposed monster. However, when Goten inadvertently obstructs the plan, Videl slaps him and he soon begins to cry. The supposed monster, a dinosaur, is drawn out but is quickly vanquished by Goten and Trunks. With the priest exiled and Nataday peaceful, the group depart to continue their Dragon Ball search.
On a distant planet, a young alien boy frantically searches his surroundings, sword at the ready, but before he can react, he is crushed by a giant foot while someone laughs maniacally in the background.
The film opens with a scene of Cao Cao attending Guan Yu's funeral — Guan's severed head is buried with a wooden statue in place of his body. The scene flashbacks to 20 years ago: After Guan Yu had been separated from his sworn brother Liu Bei, he temporarily served Cao Cao while he waited for news of Liu's whereabouts. At the Battle of Baima between Cao Cao and his rival Yuan Shao, Guan Yu slew Yuan's general Yan Liang and lifted the siege on Baima. As a reward, Cao Cao suggested to Emperor Xian to grant Guan Yu a marquis title and promote him to a higher rank.
In the Other World, a teenage "oni" guarding a spirit cleansing machine turns the volume of his walkman up so loud that he fails to change the evil essence tank when necessary. Due to the overload of evil essence, the machine explodes and the "oni" is transformed into a huge-childlike monster with power over the laws regarding the worlds of the living and the dead. As a result, both worlds are thrown into chaos: in the living world, several deceased are brought back to life, while in the other world, beings who were allowed to keep their bodies turn into spirits, and vice versa.
Sonny Malone is a talented artist who dreams of fame beyond his job, which is the non-creative task of painting larger versions of album covers for record-store window advertisements. As the film opens, Sonny is broke and on the verge of giving up his dream. Having quit his day job to try to make a living as a freelance artist, but having failed to make any money at it, Sonny returns to his old job at AirFlo Records. After some humorous run-ins with his imperious boss and nemesis, Simpson, he resumes painting record covers.
On his planet in the Otherworld, King Kai senses the destruction of the South Galaxy by an unknown Super Saiyan, and realizes that the North Galaxy will be next. To this end, King Kai contacts Goku telepathically while he and Chi-Chi are sitting down having an interview inside a private school which they hopefully plan to send Gohan to. In the middle of the interview, Goku teleports to King Kai's planet and is told the entire story.
Zhao Zilong begins his career by enlisting in Liu Bei's army. He befriends a fellow soldier, Luo Ping'an, who is also from his hometown in Changshan. Not long later, Zhao participates in a battle against Liu Bei's rival Cao Cao. He follows Zhuge Liang's plan and launches a sneak attack on the enemy camp at night, achieving his first victory. Liu Bei is overwhelmed by Cao Cao and is forced to retreat to Phoenix Heights but is separated from his family during the chaos. Luo is ordered to find and bring Liu's family back safely but fails. Zhang Fei is angered and thrusts his spear towards Luo, but Zhao blocks the attack and engages Zhang and Guan Yu in a fight. Zhao remains undefeated after dueling for several rounds and Liu Bei is impressed by his skill. Zhao offers to retrieve Liu's family, and Guan Yu and Zhang Fei cover him while he breaks through enemy lines to begin the search.
Bojack is the main villain of the movie. His goal is to conquer the universe and destroy all those that stand in his way. According to King Kai, he was sealed by all four Kais in a star, but when Goku teleported the devolved, ready to self-destruct Cell to King Kai's planet, killing him, the seal has broken, allowing Bojack to reap destruction upon the Earth.
A few years prior, the tyrant Frieza destroyed the Planet Namek during his battle with the newly transformed Super Saiyan Goku. The peaceful Namekians found themselves without a home for months. Eventually they had a new planet created for them with the help of the Dragon Balls. For three years or so they lived in peace on their new planet. One day however, a strange metal planet began to absorb New Namek. The silver planet wrapped around New Namek, absorbing its energy. Dende, who is now the Earth's guardian, senses the plight of his people and calls Goku to ask for help.
In a dark laboratory on a distant island, strangely-coloured humanoids emerge from tanks, having been created by Dr. Collie. Collie's employer, Mr. Jaguar, plans to use these men to expose the "world's greatest fraud", and laughs madly as a furry tail is shown in a distant tank.
The film opens with the introduction showing the death of Dr. Gero at the hands of the Androids 17 and 18 including the Red Ribbon Army, but also reveals that Gero previously copied his consciousness into an underground supercomputer, working on an alternate ultimate android.
While looking at the Dragon Radar, Oolong notices that all of the Dragon Balls are starting to be gathered together. He and Gohan, who were also searching for the Dragon Balls, head out to investigate and end up at the Tsurumai-Tsuburi Mountains’ eternal wall of ice, where coincidentally, Piccolo is also training. Dr. Kochin summons Shenron and wishes for Dr. Wheelo’s lab to be released from the ice. The ice begins to break away and a building emerges. Gohan and Oolong look on in disbelief, when they are suddenly attacked by Dr. Kochin’s Biomen. Piccolo shows up to save Gohan, but is overcome by three mysterious fighters, while Gohan and Oolong escape.
While meditating beside a waterfall, Piccolo is approached by Gohan and Icarus, with Gohan showing Piccolo a tune he has just learned to whistle. To his shock, Piccolo finds the noise excruciatingly painful due to his enhanced Namekian hearing, and angrily orders Gohan to stop. Meanwhile, at the Capsule Corporation compound, Bulma and her father discover that a meteor is heading toward the Earth and will most likely destroy the planet upon impact. Amidst mass panic throughout the Earth, Goku and Krillin rush to intercept the meteor, blasting it with Kamehameha waves, but fail to damage it. The meteor, however, does not hit Earth, instead passing it and exploding in orbit. When the dust clears, a strange building is present on the Earth.
In the film, Freeza's older brother Cooler is introduced. It begins with a flashback to when Freeza destroyed the Saiyan home world, Planet Vegeta. Cooler's ship soon picks up a Saiyan space pod on the radar. The pod, carrying a baby Saiyan named Kakarot, is shown to be heading towards Earth, but Cooler's henchmen believe it is an escape. Cooler lets the ship go, accounting that it's Freeza's naïveté, and responsibility. More than twenty years later, Kakarot, eventually renamed Goku, transforms into a Super Saiyan and defeats Freeza on Planet Namek. Despite showing no compassion towards his brother, Cooler takes his Armored Squadron - Doore, Neiz, and Salza to Earth with the intention of killing Goku in order to reclaim his family's honor. His forces ambush Goku and his friends on a camping trip, and Goku is wounded when he takes a blast from Cooler that was intended for Gohan.