<P> Marlin and Nemo accompany Dory . With the help of Crush, their sea turtle friend, they ride a water current to California . Upon arrival, they explore a shipwreck full of destroyed cargo, where Dory accidentally awakens a giant squid, who immediately pursues them and almost devours Nemo . Marlin berates Dory for endangering them . Her feelings hurt, Dory travels to the surface to seek help and is captured by staff members from the nearby Marine Life Institute after getting entangled in six pack rings . </P> <P> Dory is placed in the quarantine section and tagged . There she meets a grouchy, but well - meaning octopus named Hank . Dory's tag shows that she will be sent to an aquarium in Cleveland . Due to a traumatic ocean life, Hank wants to live in the aquarium instead of being released back into the ocean, so he agrees to help Dory find her parents in exchange for her tag . In one exhibit, Dory encounters her childhood friend Destiny, a nearsighted whale shark, who used to communicate with Dory through pipes, and Bailey, a beluga whale, who mistakenly believes he has lost his ability to echolocate . Dory subsequently has flashbacks of life with her parents, and struggles to recall details . She finally remembers how she was separated from her parents: she overheard her mother crying one night, left to retrieve a shell to cheer her up, and was pulled away by an undertow current . </P> <P> Marlin and Nemo attempt to rescue Dory . With the help of two California sea lions named Fluke and Rudder and a disfigured common loon named Becky, they manage to get into the institute and find her in the pipe system . Other blue tangs tell them that Dory's parents escaped from the institute a long time ago to search for her and never came back, leaving Dory believing that they have died . Hank retrieves Dory from the tank, accidentally leaving Marlin and Nemo behind . He is then apprehended by one of the employees and unintentionally drops Dory into the drain, flushing her out to the ocean . While wandering aimlessly, she comes across a trail of shells; remembering that when she was young, her parents had set out a similar trail to help her find her way back home, she follows it . At the end of the trail, Dory finds an empty brain coral with multiple shell trails leading to it . As she turns to leave, she sees her parents Jenny and Charlie in the distance . They tell her they spent years laying down the trails for her to follow in the hopes that she would eventually find them . </P> <P> Marlin, Nemo, and Hank end up in the truck taking various aquatic creatures to Cleveland . Destiny and Bailey escape from their exhibit to help Dory rescue them . Once on board the truck, Dory persuades Hank to return to the sea with her, and together, they hijack the truck and drive it over busy highways, creating havoc, before crashing it into the sea, freeing all the fish . Dory, along with her parents and new friends, return to the reef with Marlin and Nemo . </P>

How long was dory lost from her parents