Boyd falls in, and is ripped apart by a shoal of piranhas that emerge from the chasm.
Jake Forester is admiring attractive tourists as spring break begins.
Jake meets Crystal Shepard, another one of Derrick’s actresses, and cameraman Andrew Cunningham.
Julie takes a team of seismologist divers—Novak Radzinsky, Sam Montez, and Paula Montellano to the fissure.
After the chaos settles, Julie receives a call from Jake pleading for help.
Julie and Novak steal a speedboat and head off towards the kids. Julie, Danni, Laura, and Zane start crossing the rope, but the piranhas latch onto Danni’s hair, causing her to lose her grip on the rope and fall into the water, where she is quickly devoured.
He reunites with his old crush Kelly Driscoll and meets Derrick Jones, a sleazy pornographer, as well as Danni Arslow, one of his actresses.
They find his mutilated body and contemplate closing the lake.
This decision, however, is made difficult as two-thousand partying college students are on spring break, which is important for bringing revenue to the small town.
The next morning, a lone cliff diver is attacked and consumed by the vicious, marauding piranhas.
He explains that it is a highly aggressive prehistoric species, long believed to be extinct, and that the piranhas have survived through cannibalism.
The species is able to vigorously devour its prey in seconds.