Nancy Drew's good friend - Bess Marvin has been kidnapped and it's up to you to rescue him. Your investigation will lead you to Bahamas where you will face with another mystery. An ancient El Toro's armada carrying tons of treasures were lost in seas 3 centuries ago and have been never seen again. It seems that these two different cases are connected. Maybe the Bess have been stolen by treasure hunters? Search the sea for clues which will help you to save Bess Marvin. And if you will be clever enough you will also find ancient treasures!