After debris from an alien spaceship lands in the waters, great white sharks begin terrorizing marine researchers (Corin Nemec, Vanessa Angel, Corbin Bernsen) in the Pacific Ocean.

A tropical singles retreat takes a terrifying turn when guests realize a poisonous shark is infesting the surrounding water. Not only will it rip apart its victims, but it also uses projectile acid to hunt – in and out of the water.

Due to changes in ocean currents, shark activity appeared near a certain diving area, but the traces are unknown. The hungry shark is ready to move, waiting for an opportunity to start a merciless killing. Doctor Shen Xin was invited.

A baby dinoshark evolves into a ferocious predatory adult, terrorising tourists and locals offshore from Puerto Vallarta, Mexico.

In search of a new energy source, Russia accidentally reawakens the Kolossus – a giant robot doomsday device from the Cold War. At the same time, a new Mega Shark appears, threatening global security.

A cast of characters, strikingly similar to the cast of Jersey Shore, try to survive an epidemic of sharks attacking Miami Beach.