Ex-US Merchant Marine officer William Drake has a new name and a new life, but trouble follows him like sea lice. Drake's barfly friends see him as a mysterious outsider, but when one of their crew goes missing, they show up on Drake's doorstep pleading for help and telling tales of rabid barracuda.Drake's hunt for his friend takes an ominous turn when he encounters a red tide spreading through the sea. Chaos and hysteria spreads across Tetu Island...