'I was looking down, watching the shark come. It seemed to swell up in size as it rushed towards me. Every detail was burned into my mind in those frantic seconds. I saw the hog's snout with the two slotted nostrils, the golden eyes with the black pupils like arrowheads, the broad Green back from which stood the tall executioner's blade of the dorsal fin.'
Harry Fletcher, a man with a chequered past, has reformed and is making an honest living as a charter skipper fishing for big game in the seductive waters of the Indian Ocean. Suddenly men from the world of violence Harry has put behind him overturn his good intentions, involving him in a hectic race to recover a fabulous treasure from an ancient wreck.