
The film opens with the appearance of little Dory with her Father and Mother named Charlie and Jenny . The three of them were engrossed in hide-and-seek until Dory almost got carried out of their residence at the research center of the marine biota Jewel of Morro Bay, California. Dory's father and mother did not stop reminding her son to be careful.
The story finally revolved where suddenly little Dory was alone. He was confused and scared not to know where to go. He had asked many fish for help but he himself forgot and did not know where he lived. Little Dory finally grew up, he still often asked many fish about where he lived.
One time, Dory who was busy swimming suddenly hit by a clown fish named Marlin who was looking for his son. (This story is a story in the film Finding Nemo). After a year with Marlin and Nemo, Dory begins her new life, she is no longer alone. He feels he has a family.
The real family matter has begun to be somewhat forgotten by Dory, but when he was asked to be Mr.'s assistant. Ray, Nemo's teacher at the fish school, Nemo's friends begin to ask him where Dory's father and mother are. The question could not be answered, so Dory could only be stunned given a glimpse of the shadow of the old man and the words she had in relation to the Dory family.
The pensive Dory saw the currents of the migrating stingrays had been attracted into the current round and fainted. Thanks to that, he remembered something. The Jewel of Morro Bay, California. He remembers where he came from and where his family was. With enthusiasm, Dory invites Marlin and Nemo to find her family.
Knowing that Dory is asking for help to get to California, Marlin initially refuses outright. That's because the distance between where they lived at that time in Queensland, Australia and San Louis Obispo, California is very far and must cross the ocean. However, Dory still invites and begs Marlin.
Marlin agrees to leave with Marlin's old friend Crush the turtle. The three of them hitchhiked on the back of the turtles and got into the California ocean currents so they could get to San Louis quickly. Many turtles pray that Dory will be able to rejoin her family.
Marlin is upset not to play with Dory who has been commemorated repeatedly but still ngeyel. Marlin asks Dory to be quiet, it makes Dory shocked and intends to help even though his body is wrapped in plastic waste that makes it difficult for him to move. Naas, as soon as it came to the surface, two officers from the marine biota shelter saw Dory.
Dory was eventually arrested for treatment for thinking she was contaminated and injured by plastic waste. This sets Marlin and Nemo apart. Dory is taken into captivity to put in a tank where other fish are rescued before being released back into the sea. At the place of captivity, Dory meets an octopus named Hank .
Hank, intending to go to Cleveland, the large aquarium where the sick marine biota is being treated, asks the unwell Dory to give him an identity tag as a sick marine animal. This is done by Hank because he does not want to go back to the sea because he has bad memories. Instead, he wants to help Dory find her parents.
They set out on an adventure around The Marine Life Institute to find Dory's parents. Hank was separated from Dory because the blue tang fish was stuck in a bucket where fish would be given to eat a large shark. Dory finally entered the shark aquarium. Turns out the whale was Dory's little pipe friend
Destiny lives next door to a Beluga whale named Bailey. With the help of Destiny and Bailey, Dory is reunited with Marlin and Nemo, who make it into the aquarium thanks to a loon named Becky .
Dory, Marlin and Nemo are sad to learn that Dory's parents are no longer in the ocean, they are presumed dead. Due to shock, Dory is accidentally thrown into the ocean. There Dory is frightened but she sees a lot of clams; exactly as Dory's parents made her. Sure enough, as soon as Dory's clams met her parents.
Dory is happy not to play but on the other hand, she also has to save Marlin and Nemo and Hank who are trapped in a truck to Cleveland. As a result, Dory asked Destiny and Bailey for help, who eventually jumped into the free sea. Together, they stop the truck and make the fish in it back into the ocean.