Set in an alternate universe, VOTOMS Finder follows the exploits of Aki Renso, a Bottomer who daydreams of living in the utopian city of Top — and his dreams might become reality if he can rescue a Topper chairman’s daughter from her kidnappers!
When another Mega Shark returns from the depths of the sea, world militaries go on high alert. Ocean traffic grinds to a standstill as everyone lives in fear of the insatiable beast. Out of options, the US government unleashes the top secret Mecha Shark project - a mechanical shark built to have the same exact characteristics as Mega. A pair of scientists pilot the mechanical creature as they fight Mega in a pitched battle to save the planet. But when faulty mechanics cause the Mecha to go after humans, the scientists must somehow guide Mega to Mecha in hopes that the two titans will kill each other - or risk untold worldwide destruction.
The film consists of re-edited material from the original television series Ultraman. Episodes 1, 8, 26, and 27 were used for the film. They were narrated by Hikari Urano as an "Ultraman Documentary". Allegedly only one new scene was shot, and that some parts of the movie where shot in black and white for unknown reasons. The movie screened at the same time as the Toho movie King Kong Escapes.
An attack takes place on Rainbow Bridge in Odaiba, Tokyo by the fighter helicopter `Gray Ghost`. 2 days earlier, the Gray Ghost was stolen. The perpetrators are followers of Yukihito Tsuge. Yukihito Tsuge planned a coup of Tokyo 13 years earlier. The leader of Special Vehicle Section 2, Keiji Gotoda, sets out to stop the terrorists.
Kenichi and his detective uncle, Shunsaku Ban, leave Japan to visit Metropolis, in search of the criminal, Dr. Laughton. However, when they finally find Dr. Laughton, Kenichi and Shunsaku find themselves seperated and plunged into the middle of a larger conspiracy. While Shunsaku searches for his nephew and explanations, Kenichi tries to protect Tima (a mysterious young girl), from Duke Red and his adopted son Rock, both of whom have very different reasons for wanting to find her.
In another corner of the VOTOMS universe, Irvine is an AT mechanic who moonlights as a Battling pilot. Although he’s content with throwing matches for money, his talents draw the attention of the Battling agent Ishruna, and the sadistic pilot Paygun.
Nono is a clumsy waitress who dreams of becoming a space pilot. One day, she meets Lal'C Melk Mark, a member of the elite psychic pilot team "Topless." But when space monsters appear from out of nowhere to wreak havoc on Mars, Lal'C calls out her Buster Machine—codenamed "Dix-Neuf"—to subdue the threat. During a battle with a Space Monster, Lal'C gets the surprise of her life when she sees Nono use her super-strength to help Dix-Neuf destroy the alien. From that point, Nono hangs along with Lal'C in hopes of becoming a member of Topless.
Noriko Takaya's dream is to become a space pilot like her father, who died when she was young after an attack by alien forces in deep space. After entering Okinawa Girls Space Pilot High School, she must persuade everyone, especially herself, that she can fulfill her goal and become an accomplished pilot despite being just an ordinary girl.
In 2047, an unknown, alien lifeform descends upon the Earth, destroying all the major cities in one fell swoop. The survivors unite and build a Diffusor to stop the Februus, the invaders the military would later codename the FOS, and a temporary peace is achieved. Jump forward to 2053, the present. A last, desperate counterattack is being mounted against the enemy. Hiroshi Akishima, soldier in the Planetary Defense Forces Alliance, would like nothing better than a shot at the aliens responsible for his father's death six years ago. However, the new offensive requires the Diffusor to be dropped, leaving the entire planet terribly vulnerable once more. Will humanity regain the stars or lose everything in the final, ultimate gamble?
Basara, on one of his frequent trips across the galaxy to spread the message of his music, folds in on an icy planet. The natives are hostile, and take him prisoner until he begins to sing for them and a little boy named Pedro recognizes his voice. They release Basara, and almost as soon as they don, a strange wailing voice comes from the nearby mountains. Basara and Pedro head out in Basara's valkyrie to investigate the noise. Little do they know, an ambush is waiting for them.