Tim Webber, a teenager at boarding school and his friends Baghi and Nick take a dare to sneak out of the dormitory one night and steal crocodile eggs from a nearby zoo, but the prank ends in tragedy with Nick being killed and Tim taking all responsibility.

Fifteen years later, after the death of his father, Tim returns home to Somerset to run the family stone masonry, but there is a sinister undercurrent to the idyllic village setting that seems to harbour a dark secret. People have been disappearing, and it all seems to be centred around the old quarry. Tim meets up again with his old friend Baghi and to their horror clues mount. It appears that the time has come for both Baghi and Tim to pay for their actions of years ago. Those crocodile eggs that came home with Tim hatched!