Build a movie plot around this: Who is running on a beach holding a trident in a post-credits scene? Hasselhoff
The answer to this question is:
A year after the massacre on Lake Victoria by prehistoric piranhas, an eradication campaign has left the lake uninhabitable, and the town itself has been largely abandoned as a result of the drying-up of the lake. Meanwhile, at Cross Lake, two farmers (Gary Busey and Clu Gulager) search the waters to recover the body of a dead cow. Piranha eggs that have been laid inside the cow hatch, and the farmers are killed by the swarm, but before they both die, one farmer pops out of the water, bites the head off one of the piranhas and spits it into the air before sinking back into the water.Maddy (Danielle Panabaker), a marine biology student, returns home for the summer to the waterpark she co-owns. She finds to her horror that the other co-owner, her step-father Chet (David Koechner), plans to add an adult-themed section to the waterpark with "water-certified strippers", and re-open it as "Big Wet". At a party at the waterpark that night, Maddy encounters several old acquaintances, including her policeman ex-boyfriend Kyle (Chris Zylka) and Barry (Matt Bush), who has secretly had a crush on her since grade school. She also runs into two of her close friends, Ashley (Meagan Tandy) and Shelby (Katrina Bowden). Shelby and her boyfriend Josh (Jean-Luc Bilodeau) go skinny-dipping in the lake, where a piranha makes its way inside her vagina. Meanwhile, Ashley and her boyfriend Travis begin to have sex in their van, but Ashley accidentally trips the handbrake with her foot, causing the van to roll into the lake. Travis, handcuffed to the van during foreplay and unable to escape, is devoured while Ashley, on the roof of the van, calls for help. With no one around to hear her cries, the van sinks into the lake and she is eaten alive by the killer fish.The next day, Maddy is consoling Shelby about their missing friends. While sitting on a jetty, they are both attacked by a swarm of piranhas. They manage to kill one, and Maddy, Kyle and Barry take it to marine expert Carl Goodman (Christopher Lloyd) to examine. He informs...