Dead Man's Float 1980
Overview: A strange warning is followed by near disaster when a speedboat slices John's surfboard in half as his friends look on in horror. His curiosity aroused, John involves himself, his family, and friends in the bizarre mystery surrounding a silent trawler. But his curiosity may get him killed... when a ruthless smuggling ring, with $5,000,000 at stake, makes the situation even more dangerous!