Piranha 3D is a 3D horror movie and the second remake of the 1978 film, directed by Alexandre Aja and featuring an ensemble cast including Jessica Szohr, Adam Scott, Elisabeth Shue, Kelly Brook, Richard Dreyfuss, Jerry O'Connell, Christopher Lloyd, Ving Rhames, Dina Meyer, Cody Longo, Ricardo Antonio Chavira, Paul Scheer, and Eli Roth. The script was written by Josh Stolberg and Pete Goldfinger, the writers of Sorority Row.
Fisherman Matthew Boyd (Richard Dreyfuss) is fishing in Lake Victoria, AZ Pls hits a small earthquake, splitting the lake floor and causing a whirlpool. Boyd falls in and is ripped apart by a school of Piranhas That Prehistoric emerge from the chasm and Ascend the vortex.
Jake Forester (Steven R. McQueen) is admiring attractive Tourists in Lake Victoria as Spring Break Begins. He reunites with his old crush, Kelly (Jessica Szohr), before being chased off by her boyfriend. He meets Derrick Jones (Jerry O'Connell), an eccentric pornographer, and Danni (Kelly Brook), one of his actresses. Derrick convinces Jake to show him "the hot spots on the beach for an upcoming pornographic film the Following Day.
Meanwhile, Jake's mother, Sheriff Julie Forester (Elisabeth Shue), searches for the missing Matthew Boyd at night with Deputy Fallon (Ving Rhames), the WHO has found Boyd's boat. They find his mutilated body and contemplate closing down the beach. The next morning, a lone cliff diver is attacked and consumed by the marauding fish.
Eager to enjoy spring break for once, he bribes his younger brothers and sisters, Laura (Brooklynn Proulx) and Zane (Sage Ryan), to stay home alone so he cans That show Derrick around the beach with Danni; eager to be left alone unsupervised , agree they want for a share of his payment. Zane, however, unsuccessful Becomes impatient at his fishing dock - attributing it to the activity on the lake - and drafts her to go fishing on a small sandbar island. They forget to tie the boat down and are stranded in the middle of the lake.
Jake goes to meet with Derrick but Kelly's first encounters, WHO invites herself onto Derrick's boat, the Barracuda. Crystal meets Jake (Riley Steele), another of Derrick's actresses, and cameraman Drew (Paul Scheer). They film the underwater scenes of love Between partying before Danni and Crystal.
Alerted by the Quake, a team of divers seismologist - Novak (Adam Scott) and his two partners, Sam (Ricardo Chavira) and Paula (Dina Meyer) - arrive and are escorted to the fissure by Julie; Novak speculates That the rift Is a passage to a Prehistoric lake Buried underneath Lake Victoria. Paula and Sam scuba dive to the bottom, Discovering a Large Cavern at the mouth of the opening, containing large egg stalks. Sam is torn apart by a massive school of piranhas Pls he ignites a flare; Paula scrambles to escape but is pursued to the chasm and eaten to the bone. Novak and Julie Corpse pull her into the boat, capturing a lone piranha still attached. Julie Novak and take it to the pet shop owner, Mr. Goodman's (Christopher Lloyd), WHO examines That explains the fish and the piranhas are a long-extinct species Prehistoric, and Had been trapped in the underground lake for over two million years.
Laura and Zane Jake spots on the island, and Derrick forces to rescue Them; an increasingly agitated Derrick inadvertently Causes the boat's propeller to get stuck in seaweed.
Julie Novak, and Fallon try to evacuate the beach, but on their warnings are ignored Until the entire school of Piranhas attack the Tourists. Novak boards a jet-ski with a shotgun while Fallon ushers to help people to shore and swimmers Julie tries to get into the police boat. A floating stage set up in the water collapses from the weight of all the panicking guests and the wet T-shirt contest hosted (Eli Roth) is killed.
Meanwhile, Derrick manages to break free of the seaweed, but then crashes into Some rocks, breaking the glass observation dome and flooding the rooms below deck. Kelly is trapped in in the kitchen while Derrick, Crystal, and Drew are thrown from the boat. Crystal and Drew are devoured while Danni manages to get a partially eaten Derrick was back on board. Jake, panicking That he can not reach Kelly, Julie calls.
After saving many Tourists, Julie Novak and commandeer a boat and take it to the sinking Barracuda. Fallon stays behind fighting off the Piranhas with a shotgun in shallow water. Seizing the motor off a speedboat, he turns it on and shreds much of the swarming school with it, sacrificing Himself but giving more swimmers a chance to get out of the water.
Julie and Jake Novak reach and attach a rope to his boat. Julie agrees to come back for Kelly after the kids are safe. Danni goes over the rope but the Piranhas first latched onto her hair and pull her off the line and into the water killing her. Laura, Zane, and Julie make it to safety but he breaks the rope. Using Derrick's Corpse as both distraction and the temple, he ties the line to Himself and goes underwater to save Kelly. Hey Kelly's ties to him "and lights a flare after releasing the gas stored in a pair of propane tanks. Novak guns the boat away just as the Piranhas surround Kelly and Jake. They are dragged to safety and the propane tanks explode, destroying the boat and the ensuing shockwave killing most of the Piranhas.
Mr. Julie Goodman calls on the radio, telling her That the glands on the piranha obtained Were not they want mature, meaning the Piranhas That they've been fighting are babies. Novak questions Aloud an adult what would look like piranhas. A giant adult piranhas then launches out of the water and kills Novak.
* Elisabeth Shue as Sheriff Julie Forester * Adam Scott as Novak Radzinsky * Steven R. McQueen as Jake Forester * Ving Rhames as Deputy Fallon * Jerry O'Connell as Derrick Jones * Jessica Szohr as Kelly Driscoll * Kelly Brook as Danni * Riley Steele as Crystal * Christopher Lloyd as Mr.. Goodman * Richard Dreyfuss as Matthew Boyd * Cody Longo as Todd Dupree * Ricardo Chavira as Sam * Paul Scheer as Andrew "Drew" * Dina Meyer as Paula Montellano
Richard Dreyfuss said that he Accepted the role only after Bob Weinstein persuaded him "by offering the actor a larger salary. Also Dreyfuss stated That the ill-fated character he plays, is a parody and a near-Reincarnation of Matt Hooper, the character he portrayed in the 1975 movie Jaws.Jaws later served as inspiration for the parody film entitled Piranha.
Pornographic actresses Ashlynn Brooke and Gianna Michaels make cameos in the movie as partygoers WHO meet extremely gruesome, piranha-related demises.