Times are tough for Jez (Glenn Salvage) and his crew of mechanics, scraping a dishonest living in a small town on the Essex coast. When they hear on the grapevine that a million pounds in cash is being transported across town, Jez plans an elaborate heist.When the heist plan goes awry and the body count starts to rise, Jez and the gang learn the hard way that there's no honour among thieves!
A mafia drug lord has unleashed a new, highly addictive stimulant on the streets called HT25, derived from sharks held captive in a secret lab, and which causes monstrous side effects. After an explosion and leak at the lab, an army of mutated, bloodthirsty sharks and other creatures are set loose on the world as a small band of people try to stop the carnage.
The unstoppable Megalodon is back, stalking the inhabitants of a stranded boat off the coast of a small fishing community. A reporter, her cameraman and some thieves must work together to finally put an end to this legendary man-eater, but that won't be easy as this aquatic serial killer has emerged to exact it's own brand of revenge on them.