Plot:
At a sunken ship, let the SCUBA fu ensue. The woman decides she wants the guy to release his depth charge. The Piranhas attack.
Day, at Club Elysium, Chris, teen boy, wakes his mom, Anne Kimbrough. He wants to go back to Dad’s place. Oh, family tension between the parents.
Various pseudo-Love Boat characters attack our senses including a creepy woman hitting on a lifeguard.
Sheriff Steve (OK Lance Henriksen) catches a Gabby and his son dynamite fishing.
Chris meets “CAPTAIN DUMONT” who hired him as a deck hand. By the way, Dumont makes Higgins from Magnum PI seems like Chuck Norris. Anyways,
Chris is more interested in Dumont’s daughter, Allison.
On the beach, gold-digger chick is saved from drowning by the uber-nerdy dentist.
Raoul, the hotel manager, is scheduling events. Apparently, people love when the grunion swim ashore to mate and then people run out to grab and cook them for
a big fish fry.
On the sea, Sheriff Lance catches up with Dumont’s yacht and talks with his son, Chris.
Some trollop is stealing food and booze but is caught by chef, Mel. She persuades him to let her have the stuff by letting them “party” with her and her friend, Loretta.
Anne, dive instructor, briefs her class before diving around a recently sunk supply ship. Underwater, some guy sneaks into the ship and is promptly piranha eaten. Anne
heads in and finds the body.
Sheriff Lance learns that one of Annie’s students died. He heads to the beach to question her. She is sure that it couldn’t have been any local marine creatures. Another
student, Tyler Sherman, defends Anne. She wants to see the body to identify what killed the guy.
At the dock, Trollop and Loretta are waiting for Mel to bring the food. They get the stuff and sail away embarrassing Rainman Mel.
Allison is talking with Chris.
Elsewhere, the party girls discover the Piranhas flying aboard and attack.
Tyler is chasing Anne around and hitting on her. She takes him to the morgue. Anne inspects the corpse and takes some photos of the body when a nurse catches them
and makes them leave. Later, a Piranha that has been hiding in the corpse flies out and kills the nurse.
Anne studies the photos and mentions the piranha experiment from the original movie: Piranha. Well enough science
discussion let the lovin’ ensue.
Sheriff Lance finds the yacht with the 2 dead girls. He heads to the morgue finding the dead nurse and evidence that Anne was there too. Rushing to the resort, he finds
Anne and Sherman in bed. Lance warns her to stay out of this mess and refuses to listen to her fish theory.
Anne talks with Raoul. Wanting to cancel the dive trips, he fires her.
Elsewhere, Tyler calls someone and is sure that found it. He wants Anne to help him.
Later, Anne dives back at the ship. Piranhas chase her. She’s saved by Tyler. First, he tries warning her off and reveals that 4 canisters of piranha eggs and only
3 were recovered. Tyler is a biochemist and spliced genes from the air-breathing grunions, flying fish, and the bloodthirstiness of the piranha. He needs more data and
has to take this through the proper channels.
Sheriff Lance is show torn fishing nets and finds a partially devoured fish.
Anne tries convincing Raoul again to no avail. Lance shows part of a piranha wing. Raoul isn’t impressed.
Piranhas attack and kill Gabby’s son.
Lance learns that Tyler is considered a nut-job and disavowed by the Pentagon. He decides to go after Chris.
Gabby finds his dead son.
Lance flies off in the chopper to find Chris. He reaches Dumont’s boat and learns that Chris and Allison took the dingy out.
Chris and Allison are frolicking on a beach.
Gabby starts rigging several dynamite bombs with electrical timers when Tyler finds him.
Back at Club Elysium, the reggae band is getting funky. Raoul gives the speech about staying off the beach until the grunion are ashore.
Anne learns that Gabby’s son is dead. He plans to destroy the wreck.
Piranhas leave the water and take the beach and head after the drunken party-goers. Gabby charges the flying killer fish before being killed.
Chris and Allison are in the boat but lost.
Anne heads to Gabby’s dock and finds Tyler with the charges.
Chris and Allison spot some lights in the distance and head for them.
Anne decides to bomb the wreck but wants Lance to find Chris.
More dive fu, Tyler and Anne plumb the depths to plant the charges. Piranha vision ensues. Our human heroes barricade themselves in the wreck to keep the piranhas out.
Early morning, Chris and Allison flag Lance’s shopper. Lance abandons the chopper before it blows up and rescues the kids with a boat.
Back at the wreck, Anne and Tyler try another way to escape. The timers are getting closer to the detonation. As they make their final escape, the piranhas get Tyler. Anne
gets away by grabbing onto Lance’s boat anchor. (That wasn’t any dumb pickup line.)
The explosion rocks the area. Lance, Chris, and Allison are distraught until Anne surfaces. Anne and Lance embrace, let the touching reunion ensue.