In this tale, Thumperino goes on vacation to a tropical island and soon finds it's not all fun in the sun. Someone is dumping garbage in the sea and it's up to Thumperino Superbunny to get to the bottom of the mess. But his mission may be doomed when he unexpectedly tangles with a band of pirates. Will a surprising new super-power and the skills he learned at the library help him save the day or will he have to walk the plank?