Night of the Sharks

David Ziegler lives a peaceful existence as a beach bum in a sleepy Mexican fishing village, but his idyllic life is shattered by the sudden arrival of his brother James, on the run after blackmailing and double-crossing mob boss Rosentski. David is soon in a fight for his life, trapped between Rosentski's murderous henchmen and the deadly sharks that patrol the waters surrounding the tropical paradise.