Amber and her insects are back in a new thrilling adventure with old friends and new villains! Amber walked along the beach and saw thousands of dead beetles, bees and butterflies strewn along the sand. What could possibly have killed so many at once? It's not just the insects that are suffering; dolphins and whales are in trouble too. Something is lurking below the surface of the ocean. Can Amber and her insects get to the bottom of the mystery before it's too late?