joe Lambert's peaceful life on his island off the devon coast is shattered when the yacht 'carousel' is wrecked on its foreshore. he rescues the helmsman,jody summers from the breakers and finds an unconscious man locked in the cabin. More
seven years before,john summers had gone on the run, apparently having stolen half a million pounds from his employers: the cromwell bank. now,out of the blue, he contacts his wife jody and urges her retrieve a deed-box from his solicitor and bring it to him in her small yacht 'carousel'. the rendez-vous point to be off the south devon coast. she reluctantly agrees. as she draws close to her husband's vessel an attempt is made, by two men in a motorised dinghy, to hi-jack carousel. the attempt fails but carousel is wrecked on the 'crabstone', a small island. jody and an unconscious would-be hijacker are rescued by the island's lone occupant, joe lambert. events escalate to the point where mass destruction threatens a whole town.