After successfully thwarting a dastardly plan to steal rare marine animals, Ben and Fee MacTavish feel they can relax and continue learning all about nautical life on board School Ship Tobermory. But it's not long before their everyday routine is interrupted by an extraordinary event. The crew find themselves embroiled in another adventure that leads them to a small island in the Caribbean, where they learn about Captain Macbeth's past and come face to face with modern-day pirates.
Follow the exploits of the children who go to a most unusual school - the sail-powered training ship Tobermory. When a film crew arrives in Tobermory Bay, Ben and Fee are invited to be extras. But their suspicions are soon aroused - is the film crew genuine, or are they up to something sinister? Ben and Fee soon discover the truth when they uncover a dastardly plan masterminded by a South American businessman.
